Wikidata:WikiProject Materials/Properties
Home | Properties | Standards | Materials | Treatments | Others |
This tab list the propreties that are usefull for materials. Feel free to add to this list.
A dedicated List of properties with sources Lua template that includes sources has been created on the subpage : Wikidata:WikiProject Materials/Properties/Properties list table model
Classification
editproperty does not exist. Use "id=new" if it's to be created.
Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
class | P2308 | Item | class: qualifier to define a property constraint in combination with "property constraint" (P2302) | → Property talk:P2308 | - | |
subclass of | P279 | Item | subclass of: this item is a subclass (subset) of that item; all instances of this item are instances of that item; different from P31 (instance of), e.g.: volcano is a subclass of mountain (and an instance of volcanic landform); K2 is an instance of mountain | apple <subclass of> fruit | - | |
instance of | P31 | Item | instance of: that class of which this subject is a particular example and member; different from P279 (subclass of); for example: K2 is an instance of mountain; volcano is a subclass of mountain (and an instance of volcanic landform) | Nelson Mandela <instance of> human | - | |
relation | P2309 | Item | relation and relation: qualifier to define a property constraint in combination with P2302. Possibly values are: "instance of", "subclass of" or "instance or subclass of". The qualifier to use with the property "relative" is "type of kinship" (P1039), not this | → Property talk:P2309 | - | |
name | P2561 | Monolingual text | name, full name and musical group name: name the subject is known by. If a more specific property is available, use that | Giuseppe Garibaldi <name> Giuseppe Garibaldi and volcanic explosivity index <name> volcanic explosivity index | - | |
has use | P366 | Item | use: main use of the subject (includes current and former usage) | book <has use> reading | - | |
related property | P1659 | Property | related property: used to indicate another property that might provide additional information about the subject | website account on <related property> X username and Facebook username | - | |
different from | P1889 | Item | different from: item that is different from another item, with which it may be confused | Kowalski <different from> Kowalski | different from | |
exact match | P2888 | URL | exact match: URL used to link two items or properties, indicating a high degree of confidence that the concepts can be used interchangeably | asthma <exact match> http://purl.obolibrary.org/obo/DOID_2841 | - | |
replaces | P1365 | Item | replaced entity: person, state or item replaced. Use "structure replaces" (P1398) for structures. Use "follows" (P155) if the previous item was not replaced or predecessor and successor are identical | Barack Obama <replaces> George W. Bush | replaced by | |
replaced by | P1366 | Item | replacing entity: other person or item which continues the item by replacing it in its role. Use P156 ("followed by") if the item is not replaced nor identical, but adds to the series (e.g. books in a series). | Ptolemy XII Auletes <replaced by> Cleopatra | replaces | |
named after | P138 | Item | eponym, memorial society and namesakes: entity or event that inspired the subject's name, or namesake (in at least one language). Qualifier "applies to name" (P5168) can be used to indicate which one | Camembert <named after> Camembert | - | |
microstructure | P5589 | Item | microstructure: very small scale structure of a material, defined as the structure of a prepared surface of material as revealed by a microscope above 25× magnification | duplex stainless steel <microstructure> austenite | - | |
test1 | new create, proposal | Quantity | Earth → Q3 | - |
- name (P2561) is the parameter used for the different designations of the material. The name can be from a norm or a manufacturer brand using proprety named by (P3938) :
- International Organization for Standardization (Q15028) (ISO)
- European standard (Q1377447) (EN) numeric or symbolic for steels.
- ASTM International (Q621977) (ASTM)
- unified numbering system (Q428822) (UNS)
- American Iron and Steel Institute (Q465254) (AISI)
- Japanese Industrial Standards (Q774901) (JIS)
- AFNOR (Q743706) AFNOR is the french standards organisation. Name norms are now in line with EN but many people in france still speak referring to deprecated AFNOR steel norms. This, even if they were kids when these norms were at use. So that the old AFNOR norm is still written on many datasheets.
- Deutsches Institut für Normung (Q152746) (DIN)
- British Standards (Q920219) (BS)
- GOST (Q1349015) Russian
- Etc. : w:List of technical standard organisations
- brand (Q431289) or fabricator (Q42855995) name.
Commercial
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
price | P2284 | Quantity | price: published price listed or paid for a product (use with unit of currency) | Warfarin sodium 1 mg tab-cap <price> 1.18 United States dollar | - | |
manufacturer | P176 | Item | manufacturer: (main or final) manufacturer or producer of this product | Airbus A320 family <manufacturer> Airbus Commercial Aircraft | product or material produced or service provided | |
described by source | P1343 | Item | source of information: work where this item is described | Vladimir K. Zworykin <described by source> Brockhaus Enzyklopädie (19 ed.) | - | |
described at URL | P973 | URL | Internet research: item is described at the following URL | Mona Lisa <described at URL> https://www.louvre.fr/decouvrir/le-palais/de-la-joconde-aux-noces-de-cana | - | |
has characteristic | P1552 | Item | quality: inherent or distinguishing quality or feature of the entity. Use a more specific property when possible | human <has characteristic> gender | - | |
side effect | P1909 | Item | side effect and adverse drug reaction: effect of a medication or procedure, that occurs next to the desired effect | influenza vaccine <side effect> sore throat | - | |
industry | P452 | Item | industry and economic sector: specific industry of company or organization | Red Hat <industry> software industry | - |
Physics
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
density | P2054 | Quantity | mass density: density of a substance with phase of matter and temperature as qualifiers | acetophenone <density> 1.0281 gram per cubic centimetre | - | |
crystal system | P556 | Item | crystal system: type of crystal for minerals and/or for crystal compounds | sodium chloride <crystal system> cubic crystal system | - |
Mechanical
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
tensile modulus of elasticity | P5480 | Quantity | Young's modulus: material proprety linking the elastic deformation to the yield strengh. | SAE 316L stainless steel <tensile modulus of elasticity> 200 gigapascal | - | |
ultimate tensile strength | P5479 | Quantity | ultimate tensile strength: material property measuring the tensil strengh at break | glass fiber <ultimate tensile strength> 360 megapascal | - | |
yield strength | P5529 | Quantity | elastic limit: material proprety measuring the stress above which materials begin to permanently deform | A36 steel <yield strength> 250 megapascal | - | |
hardness | P5483 | Quantity | hardness: measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied | → Property talk:P5483 | - | |
kinematic viscosity | P2118 | Quantity | kinematic viscosity: viscosity of a substance, with phase of matter (P515) and temperature (P2076) as qualifiers | methanol <kinematic viscosity> 0.0084 stokes | - | |
dynamic viscosity | P3070 | Quantity | dynamic viscosity: viscosity of a substance, with phase of matter (P515) and temperature (P2076) as qualifiers | acetic acid <dynamic viscosity> 1.056 millipascal second | - | |
toughness | P5520 | Quantity | toughness: material property measuring the ability of a material to absorb energy and plastically deform without fracturing | SAE 316L stainless steel <toughness> 325 joule | - | |
Poisson's ratio | P5593 | Quantity | Poisson's ratio: the negative of the ratio of (signed) transverse strain to (signed) axial strain | copper <Poisson's ratio> 0.33 | - | |
coefficient of friction | P5575 | Quantity | coefficient of friction: dimensionless scalar value which describes the ratio of the force of friction between two bodies and the force pressing them together | aluminium <coefficient of friction> 0.61 | - | |
speed of sound | P2075 | Quantity | speed of sound: speed of sound waves in a material. Use qualifiers to specify the measurement conditions. | methanol <speed of sound> 1,123 metre per second | - | |
fatigue limit | P5608 | Quantity | fatigue limit: amplitude (or range) of cyclic stress that can be applied to the material without causing fatigue failure | SAE 316L stainless steel <fatigue limit> 290 megapascal | - | |
compressive strength | P5669 | Quantity | compressive strength: capacity of a material or structure to withstand loads tending to reduce size | concrete <compressive strength> 30 megapascal | - | |
bulk modulus | P5668 | Quantity | bulk modulus: measure of how resistant to compressibility that substance is | diamond <bulk modulus> 443 gigapascal | - | |
flexural modulus | P5681 | Quantity | flexural modulus: ratio of stress to strain in flexural deformation | polyamid 66 - 30% glass fiber reinforced <flexural modulus> 9.5 gigapascal | - | |
flexural strength | P5677 | Quantity | flexural modulus: the stress in a material just before it yields in a flexure test |
| polyamid 66 - 30% glass fiber reinforced <flexural strength> 275 megapascal | - |
shear modulus | P5673 | Quantity | shear modulus: ratio of shear stress to the shear strain | diamond <shear modulus> 478 gigapascal | - | |
tear resistance | P5685 | Quantity | shear strength: measure of how well a material can withstand the effects of tearing | → Property talk:P5685 | - | |
abrasion resistance | P5709 | Quantity | abrasion and corrosion: resistance to the process of scuffing, scratching, wearing down, marring, or rubbing away | PurePolycarbonate® Abrasion Resistant Grades <abrasion resistance> 35 percent | - | |
force | P5708 | Quantity | force: quantitative value of the interaction between two objects | → Property talk:P5708 | - | |
shear strength | P5706 | Quantity | shear strength: strength of a material or component against the type of yield or structural failure when the material or component fails in shear | → Property talk:P5706 | - | |
elongation at break | P5811 | Quantity | elongation at break: material property; the ratio between changed length and initial length after breakage of the test specimen. It expresses the capability of a material to resist changes of shape without crack formation. | SAE 316L stainless steel <elongation at break> 55 percent | - | |
compressive modulus of elasticity | P5993 | Quantity | Young's modulus: the ratio of mechanical stress to strain in an elastic material when that material is being compressed | 6061 aluminium alloy <compressive modulus of elasticity> 60 gigapascal | - | |
flexural strain at break | P6014 | Quantity | flexural strain at break: the strain of material specimen after break in a flexural test | polycarbonate <flexural strain at break> 4 percent | - |
- Wikidata:Property proposal/surface roughness See w:Surface roughness > For raw materials with a natural state or as a qualifier for propreties like coefficient of friction.
Multidirectional mechanical properties
editType | at break | at yied |
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Tensile |
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Flexural |
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Shear |
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Linear compression |
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Isostatic pressing |
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Heat treating
editSee : Wikidata:Requests for comment/How to handle heat treating as a qualifier for material properties ?
Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
heat treating | P6212 | Item | heat treatment: Industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. | → Property talk:P6212 | - | |
Heat treating curve | new create, proposal | Commons media file | Time/Temperature curve describing the heat treating | - | ||
Cooling in | new create, proposal | Item | Water, Oil, Air... | - | ||
Cooling rate | new create, proposal | Quantity | °C/s | - | ||
Quenching athmosphere | new create, proposal | Item | Vaccum, Nitrogen, Neutral gaz... | - | ||
Quenching temperature | new create, proposal | Quantity | Generally around 800~1100°C for steels | - | ||
Quenching duration | new create, proposal | Quantity | xxx | - | ||
Cryogenic treatment duration | new create, proposal | Quantity | generally at least 1/2H for steels | - | ||
Cryogenic treatment temperature | new create, proposal | Quantity | xxx | - | ||
Tempering athmosphere | new create, proposal | Item | xxx | - | ||
Tempering temperature | new create, proposal | Quantity | xxx | - | ||
Tempering duration | new create, proposal | Quantity | xxx | - | ||
Annealing athmosphere | new create, proposal | Item | xxx | - | ||
Annealing temperature | new create, proposal | Quantity | xxx | - | ||
Annealing duration | new create, proposal | Quantity | xxx | - | ||
Precipitation hardening athmosphere | new create, proposal | Item | xxx | - | ||
Precipitation hardening temperature | new create, proposal | Quantity | xxx | - | ||
Precipitation hardening duration | new create, proposal | Item | xxx | - | ||
Temperature step | new create, proposal | Quantity | xxx | - | ||
Temperature step duration | new create, proposal | Quantity | xxx | - | ||
Surface hardening | new create, proposal | Item | xxx | - |
Thermal
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
melting point | P2101 | Quantity | melting point: temperature at which a solid changes its state from solid to liquid at atmospheric pressure | lead <melting point> 327.462 degree Celsius | - | |
boiling point | P2102 | Quantity | boiling point: temperature at which a substance changes its phase from liquid to gas (indicate the corresponding pressure as qualifier) | benzene <boiling point> 80.08 degree Celsius | - | |
thermal conductivity | P2068 | Quantity | thermal conductivity: property of a material that describes how efficiently heat is conducted | gold <thermal conductivity> 318 watt per metre kelvin | - | |
flash point | P2128 | Quantity | flash point: lowest temperature at which it can vaporize to form an ignitable mixture in air. Add qualifier for measurement method (P459): open cup or closed cup. Not equal to fire point. | undecane <flash point> 69 degree Celsius | - | |
specific heat capacity | P2056 | Quantity | specific heat capacity: specific heat capacity of a substance, with phase of matter and temperature as qualifiers | gold <specific heat capacity> 129.1 joule per kilogram kelvin difference | - | |
autoignition temperature | P2199 | Quantity | autoignition temperature: lowest temperature at which it will spontaneously ignite in a normal atmosphere without an external source of ignition | → Property talk:P2199 | - | |
sublimation temperature | P2113 | Quantity | sublimation temperature: temperature at which a substance changes directly from solid to gaseous (indicate corresponding pressure qualifier) | carbon dioxide <sublimation temperature> −78.5 degree Celsius | - | |
operating temperature | P5066 | Quantity | operating temperature: temperature at which a device operates. Use qualifier "criterion used" (P1013) and values such as "maximum" (Q10578722), "minimum" (Q10585806), etc. | iPhone <operating temperature> 36 degree Celsius | - | |
emissivity | P1295 | Quantity | emissivity: ability of a substance to radiate thermal energy from its surface | cement <emissivity> 0.54 | - | |
NFPA Fire | P994 | String | NFPA 704: NFPA rating for a chemical's flammability (red quadrant in fire diamond) | dichlorine <NFPA Fire> 0 | - | |
linear thermal expansion coefficient | P5672 | Quantity | linear expansion coefficient: measures the fractional change in size per degree change in temperature at a constant pressure | aluminium <linear thermal expansion coefficient> 23 | - | |
glass transition temperature | P5670 | Quantity | glass-transition temperature: transition in amorphous materials from a hard and relatively brittle "glassy" state into a viscous or rubbery state as the temperature is increased | acrylonitrile butadiene styrene <glass transition temperature> 105 degree Celsius | - | |
heat deflection temperature | P5682 | Quantity | heat deflection temperature: temperature at which a polymer or plastic sample deforms under a specified load | → Property talk:P5682 | - | |
thermal diffusivity | P5674 | Quantity | thermal diffusivity: measures the rate of transfer of heat of a material from the hot side to the cold side | nylon <thermal diffusivity> 0.09 square millimetre per second | - | |
Vicat softening point | P5947 | Quantity | Vicat softening point: the temperature at which the specimen is penetrated to a depth of 1 mm by a flat-ended needle with a 1 mm2 circular or square cross-section | poly(methyl methacrylate) <Vicat softening point> 116 degree Celsius | - |
Chemical
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
solvent | P2178 | Item | solvent: qualifier to show which substance is the solvent in a solution-process (use with P2177) | → Property talk:P2178 | - | |
InChI | P234 | External identifier | International Chemical Identifier: International Chemical Identifier | benzene <InChI> InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H | - | |
chemical structure | P117 | Commons media file | chemical structure and structural formula: image of a representation of the structure for a chemical compound | methane <chemical structure> Methan Keilstrich.svg | - | |
chemical formula | P274 | String | chemical formula: description of chemical compound giving element symbols and counts | water <chemical formula> H₂O | - | |
has part(s) | P527 | Item | has part, consist of and meronymy: part of this subject; inverse property of "part of" (P361). See also "has parts of the class" (P2670). | United States Congress <has part(s)> United States Senate and United States House of Representatives | part of | |
part of | P361 | Item | part: object of which the subject is a part (if this subject is already part of object A which is a part of object B, then please only make the subject part of object A), inverse property of "has part" (P527, see also "has parts of the class" (P2670)) | ear <part of> head | has part(s) | |
upper limit | P5448 | Quantity | upper limit of a range or an interval; (qualifier) used with a dummy value which specifies the type of the range or interval | red blood cell count <upper limit> 5.55 trillion cells per litre | - | |
lower limit | P5447 | Quantity | lower limit of a range or an interval; (qualifier) used with a dummy value which specifies the type of the range or interval | red blood cell count <lower limit> 4.35 trillion cells per litre | - | |
proportion | P1107 | Quantity | proportion: to be used as a qualifier, value must be between 0 and 1 | mayonnaise <proportion> 0.7 | - | |
moisture absorption | P5594 | Quantity | moisture and absorption of water: quantity of moisture a material would absorb in given conditions | nylon 6 <moisture absorption> 2.7 percent | - | |
polymer of | P4600 | Item | polymer: monomer of which this polymer compose | polyethylene <polymer of> ethylene | monomer of | |
monomer of | P4599 | Item | monomer: polymer composed of this monomer subunits | ethylene <monomer of> polyethylene | polymer of | |
permeability | P6073 | Quantity | permeability: the penetration of a permeate (such as a liquid, gas, or vapor) through a solid | silicone <permeability> 600 Barrer | - | |
pitting resistance equivalent number | P5624 | Quantity | Pitting Resistance Equivalent Number: predictive measurement of a stainless steels resistance to localized pitting corrosion | SAE 304 stainless steel <pitting resistance equivalent number> 19 | - |
- solubility (P2177) is not in the above table because of the following error message : Lua error: bad argument #2 to 'gsub' (string expected, got nil).
- Wikidata:Property proposal/chemical resistance see w:Chemical resistance qualifier : together with (P1706)
- Wikidata:Property proposal/corrosion resistance see w:Corrosion
- Wikidata:Property proposal/odor with items to describe the odor ?
- Wikidata:Property proposal/ultraviolet resistance see w:Ultraviolet
- Wikidata:Property proposal/*** see w:***
- Wikidata:Property proposal/*** see w:***
- Wikidata:Property proposal/*** see w:***
- Wikidata:Property proposal/*** see w:***
- Wikidata:Property proposal/*** see w:***
- Wikidata:Property proposal/*** see w:***
Safety
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
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UN number | P695 | External identifier | four-digit number that identify hazardous substances and articles in the framework of international transport | sodium azide <UN number> 1687 | - | |
RTECS number | P657 | External identifier | chemical identifier from the Registry of Toxic Effects of Chemical Substances | beryllium <RTECS number> DS1750000 | - | |
NFPA Instability | P995 | String | NFPA 704: NFPA rating for chemical or physical reactivity (yellow quadrant in fire diamond) | dichlorine <NFPA Instability> 0 | - | |
NFPA Health | P993 | String | NFPA 704: NFPA rating for a chemical's hazard to health (blue quadrant in fire diamond) | dichlorine <NFPA Health> 4 | - | |
NFPA Instability | P995 | String | NFPA 704: NFPA rating for chemical or physical reactivity (yellow quadrant in fire diamond) | dichlorine <NFPA Instability> 0 | - | |
NFPA Special | P877 | String | NFPA 704: NFPA code for a chemical's other hazards in white (bottom) quadrant | dichlorine <NFPA Special> OX | - | |
safety classification and labelling | P4952 | Item | safety classification: classification data for the identification and labelling of chemical risks associated with a product | dichlorine <safety classification and labelling> NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response | - | |
GHS hazard pictogram | P5040 | Item | GHS hazard pictogram: qualifier for P4952 for GHS hazard pictograms | carbachol <GHS hazard pictogram> GHS06: skull and crossbones | - | |
GHS signal word | P1033 | Item | GHS signal word: please use with items "warning" (Q15350847) and "danger" (Q15221217) | carbachol <GHS signal word> danger | - | |
GHS hazard statement | P5041 | Item | GHS hazard statement and supplemental GHS hazard statement (European Union): qualifier for P4952 for GHS H-statements (also EUH-statements, AUH-statements) | carbachol <GHS hazard statement> H300 | - | |
GHS precautionary statement | P5042 | Item | GHS precautionary statement: qualifier for P4952 for GHS P-statements | carbachol <GHS precautionary statement> P264 and P301+P310 | - | |
limiting oxygen index | P5929 | Quantity | limiting oxygen index: the minimum concentration of oxygen, expressed as a percentage, that will support combustion of a polymer | poly(methyl methacrylate) <limiting oxygen index> 17.3 percent | - |
- Food contact materials can be stated using subclass of (P279) → food contact material (Q2352600)
Electric and Magnetic
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
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electrical conductivity | P2055 | Quantity | electrical conductivity: electrical conductivity of a substance with phase of matter and temperature as qualifiers | gold <electrical conductivity> 45,500,000 ampere per volt metre | - | |
electrical resistivity | P5679 | Quantity | electrical resistivity: quantifies how strongly a given material opposes the flow of electric current | drinking water <electrical resistivity> 20 ohm metre | - | |
relative permittivity | P5675 | Quantity | relative permittivity: measure of capacitance that is encountered when forming an electric field in a particular medium expressed as a ratio relative to the permittivity of vacuum | vacuum <relative permittivity> 1 | - | |
relative permeability | P5676 | Quantity | relative permeability: measure of the ability of a material to support the formation of a magnetic field within itself | iron <relative permeability> 200,000 | - |
- Wikidata:Property proposal/absolute permittivity see w:Permittivity
- Wikidata:Property proposal/magnetic reluctance see w:Magnetic reluctance
- Wikidata:Property proposal/magnetic susceptibility see w:Magnetic susceptibility
- Wikidata:Property proposal/*** see w:***
- Wikidata:Property proposal/*** see w:***
- Wikidata:Property proposal/*** see w:***
Manufacturing
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
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source of material | P2647 | Item | source of material: place the material used was mined, quarried, found, or produced | Mells War Memorial <source of material> Doulting Stone Quarry | - | |
fabrication method | P2079 | Item | manufacturing process, production, process and building method: method, process or technique used to grow, cook, weave, build, assemble, manufacture the item | silk <fabrication method> sericulture | - | |
made from material | P186 | Item | material: material the subject or the object is made of or derived from (do not confuse with P10672 which is used for processes) | chocolate <made from material> cocoa bean | - |
- Wikidata:Property proposal/shrinkage see w:Shrinkage with direction (P560) as an optional qualifier
- Wikidata:Property proposal/castability see w:Castability
- Wikidata:Property proposal/machinability see w:Machinability
- Wikidata:Property proposal/weldability see w:weldability
- Wikidata:Property proposal/can be processed by processing method that can be used to transform this item
- Wikidata:Property proposal/Heat treating see w:Heat treating > Example of treatements usable with this material : Tempering/Quenching, Annealing...
- Wikidata:Property proposal/cure time see [8]
- Wikidata:Property proposal/drying temperature see [9] and w:Injection moulding
- Wikidata:Property proposal/mold temperature see w:Injection moulding
- Wikidata:Property proposal/processing temperature see [10]
Optical properties
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
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color | P462 | Item | color: color of subject | charcoal <color> black | - | |
refractive index | P1109 | Quantity | refractive index: refractive index of a substance with wavelength and temperature as qualifiers | undecane <refractive index> 1.4164 | - |
- Wikidata:Property proposal/Abbe number see w:Abbe number
- Wikidata:Property proposal/absorbance see w:Absorbance
- Wikidata:Property proposal/diffraction see w:Diffraction
- Wikidata:Property proposal/photosensitivity see w:Photosensitivity
- Wikidata:Property proposal/transmittance see w:Transmittance
- w:Photoluminescence can be stated using has characteristic (P1552) : photoluminescence (Q614893), fluorescence (Q191807), phosphorescence (Q192275)...
Several categories
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
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attenuation coefficient | P5992 | Quantity | attenuation coefficient: Characterizes how easily a volume of a material can be penetrated by a beam of light, sound, particles, or other energy or matter. Beam type is to be secified using P1013. | → Property talk:P5992 | - |
Environement
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
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water footprint | P6000 | Quantity | water footprint: total volume of fresh water used to produce the goods and services consumed by the individual or community or produced by the business | SAE 316L stainless steel <water footprint> 150 litre per kilogram | - | |
recycling code | P5994 | String | recycling code: used to identify the material from which an item is made, to facilitate easier recycling or other reprocessing | polyethylene terephthalate <recycling code> 01 | - | |
carbon footprint | P5991 | Quantity | carbon footprint: total emissions caused by an individual, event, organisation, or product, expressed as carbon dioxide equivalent; has to be calculated via a scientificly proven methodology | SAE 316L stainless steel <carbon footprint> 3.9 kilogram of carbon dioxide equivalent per kilogram | - | |
embodied energy | P6075 | Quantity | embodied energy: sum of all the energy required to produce any goods or services, considered as if that energy was incorporated or 'embodied' in the product itself | concrete <embodied energy> 1.11 megajoule per kilogram | - | |
biobased content weight percentage | P6076 | Quantity | biobased product: weight percentage of content coming from the biomass | polylactic acid <biobased content weight percentage> 100 percent | - |
- Recyclable, recycled, biobased... materials can be stated using subclass of (P279) and has part(s) (P527) with items recycled material (Q37328535), recyclable material (Q57305800), biobased material (Q57305827), compostable material (Q57305858), biodegradable material (Q57305881)...
Visual appearance
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
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image | P18 | Commons media file | illustration and image: image of relevant illustration of the subject; if available, also use more specific properties (sample: coat of arms image, locator map, flag image, signature image, logo image, collage image) | Douglas Adams <image> Douglas adams portrait cropped.jpg | - | |
Commons gallery | P935 | String | Commons gallery: name of the Wikimedia Commons gallery page(s) related to this item (is suitable to allow multiple links to more gallery pages) | Charles Square <Commons gallery> Karlovo náměstí (Prague) | - | |
Commons category | P373 | String | Commons category: name of the Wikimedia Commons category containing files related to this item (without the prefix "Category:") | Calosoma reticulatum <Commons category> Calosoma reticulatum | - | |
color | P462 | Item | color: color of subject | charcoal <color> black | - |
- Wikidata:Property proposal/visual appearance : w:Visual appearance of the raw material
- Wikidata:Property proposal/rugosity : Measure of w:rugosity if the material has a natural state.
- For more parameters, we may have a look to realistic rendering softwares.
Qualifiers
editSee Help:Qualifiers for more information on how using the Qualifiers.
invalid 'id' parameter should be a number or 'new', is P828 invalid 'id' parameter should be a number or 'new', is P1542
Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
temperature | P2076 | Quantity | temperature: qualifier to indicate at what temperature something took place | water <temperature> 4 degree Celsius | - | |
under pressure | P2077 | Quantity | pressure: qualifier to indicate at what pressure something took place | speed of sound <under pressure> 1 standard atmosphere | - | |
determination method | P459 | Item | determination method: how a value is determined, or the standard by which it is declared | Interchange Bad Neuenahr-Ahrweiler <determination method> Normalhöhennull | - | |
direction | P560 | Item | relative direction and road: qualifier to indicate the direction of the object relative to the subject item (for direction to the object, see P654) | Oklahoma State Highway 74 <direction> north | - | |
ISO standard | P503 | External identifier | ISO standard: numeric identifier of this ISO standard | ISO 9000 family <ISO standard> 9000 | - | |
complies with | P5009 | Item | compliance: the product or work complies with a certain norm or passes a test | Mercedes-Benz OM646 engine <complies with> EURO3 | - | |
criterion used | P1013 | Item | criterion: property by which a distinction or classification is made | north <criterion used> relative direction | - | |
named by | P3938 | Item | person or organisation that coined the name; use as qualifier for P2561 and its subproperties | → Property talk:P3938 | - | |
alternative name | P4970 | String | synonym and non-preferred term: qualifier for alternative name(s), given for a subject in a database entry, or preserved in references (even these are no longer the preferred name) | handkerchief <alternative name> hankies | - | |
diameter | P2386 | Quantity | diameter: diameter of a circular or spherical object | London Eye <diameter> 120 metre | - | |
thickness | P2610 | Quantity | thickness: extent from one surface to the opposite | 1 Krona - Gustaf V <thickness> 1 millimetre | - | |
shape | P1419 | Item | object form: shape of an object | pyramid <shape> pyramid | - | |
duration | P2047 | Quantity | duration: length of time of an event or process | La Grande Vadrouille <duration> 132 minute | - | |
fabrication method | P2079 | Item | manufacturing process, production, process and building method: method, process or technique used to grow, cook, weave, build, assemble, manufacture the item | silk <fabrication method> sericulture | - | |
together with | P1706 | Item | qualifier to specify the item that this property is shared with | → Property talk:P1706 | - | |
upper limit | P5448 | Quantity | upper limit of a range or an interval; (qualifier) used with a dummy value which specifies the type of the range or interval | red blood cell count <upper limit> 5.55 trillion cells per litre | - | |
lower limit | P5447 | Quantity | lower limit of a range or an interval; (qualifier) used with a dummy value which specifies the type of the range or interval | red blood cell count <lower limit> 4.35 trillion cells per litre | - | |
proportion | P1107 | Quantity | proportion: to be used as a qualifier, value must be between 0 and 1 | mayonnaise <proportion> 0.7 | - | |
duration | P2047 | Quantity | duration: length of time of an event or process | La Grande Vadrouille <duration> 132 minute | - | |
together with | P1706 | Item | qualifier to specify the item that this property is shared with | → Property talk:P1706 | - | |
speed | P2052 | Quantity | speed: magnitude of the velocity of the item | light <speed> 299,792,458 metre per second | - | |
applies to part | P518 | Item | part, aspect, or form of the item to which the claim applies | Lady with an Ermine <applies to part> painting support | - | |
relative to | P2210 | Item | reference point: qualifier: what a statement value is relative to | Zugspitze <relative to> Normalhöhennull | - | |
of | P642 | Item | (This property is being deprecated, see details at WD:P642) qualifier stating that a statement applies within the scope of a particular item | → Property talk:P642 | - | |
definition domain | P1568 | Item | domain of a function: set of "input" or argument values for which a mathematical function is defined | square function <definition domain> set of real numbers | - | |
relative humidity | P5596 | Quantity | relative humidity: ratio of the partial pressure of water vapor to the equilibrium vapor pressure of water at a given temperature | nylon 6 <relative humidity> 50 percent | - | |
phase of matter | P515 | Item | state of matter: state or phase of the matter at which the measure was made | pyrrole <phase of matter> liquid | - | |
force | P5708 | Quantity | force: quantitative value of the interaction between two objects | → Property talk:P5708 | - | |
moisture absorption | P5594 | Quantity | moisture and absorption of water: quantity of moisture a material would absorb in given conditions | nylon 6 <moisture absorption> 2.7 percent | - | |
work hardening strain | P5893 | Quantity | work hardening: the strengthening of a material by the specified ratio of plastic deformation | SAE 301 stainless steel <work hardening strain> 0 percent | - |
- alternative name (P4970) is not to be used for differents names according different norms but for alternative ways to print it in the same norm. Ex : X50CRMoVN17-1 = X50CRMoCN17-1-V0,1-N0,1
- Wikidata:Property proposal/Heat treating see w:Heat treating > Many materials support heat treating, changing drastically them propreties.
- Wikidata:Property proposal/surface roughness
- Wikidata:Property proposal/environment
- Wikidata:Property proposal/comparing
Other usefull propreties
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Title |
ID | Data type | Description | Described by | Examples | Inverse |
---|---|---|---|---|---|---|
properties for this type | P1963 | Property | when this subject is used as object of “instance of”, the following properties normally apply | bridge <properties for this type> number of spans and longest span | - | |
property constraint | P2302 | Item | property constraint: constraint applicable to a Wikidata property |
| IMDb ID <property constraint> distinct-values constraint | - |
inverse property | P1696 | Property | inverse: links a property to its inverse property (which relates the subject and object in reverse order) | part of <inverse property> has part(s) | - |