Back to OpenEPCIS Iron & Steel Vocabulary

MaterialTestCertificate

class

Material Test Certificate

An inspection document for metallic products per EN 10204 (type 2.1, 2.2, 3.1, or 3.2), carrying the EN 10168 mechanical and chemical test parameters that substantiate the declared grade.

URI:https://ref.openepcis.io/extensions/eu/iron-steel/MaterialTestCertificate

Upstream alignment

How this class and its properties align to external and upstream vocabularies. Open a vocabulary to see the exact term-by-term relationships.

GS13 terms Schema.org2 terms UNTP1 term DPP Keystone16 terms GS1 Rail1 term

Properties (17)

	Description	Domain	Range		Vocabularies
mtcCarbonContent MTC Carbon Content	Carbon content from the cast/ladle analysis (mass %).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcCarbonEquivalent MTC Carbon Equivalent	Carbon equivalent value (CEV / CET), a weldability indicator derived from the cast analysis.	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcCopperContent MTC Copper Content	Copper content from the cast analysis (mass %).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcElongation MTC Elongation	Percentage elongation after fracture (A%).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcFinishing MTC Finishing	Finishing / delivery condition recorded on the certificate (e.g. hot-rolled, normalised, quenched and tempered).	MaterialTestCertificate	`xsd:string`	Authorized Only	DPP Keystone
mtcInspectionType MTC Inspection Document Type	EN 10204 inspection document type: 2.1, 2.2, 3.1, or 3.2.	MaterialTestCertificate	`xsd:string`	Authorized Only	—
mtcNitrogenContent MTC Nitrogen Content	Nitrogen content from the cast analysis (mass %).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcNominalSize MTC Nominal Size	Nominal dimension of the tested product (mm).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	GS1 DPP Keystone
mtcPhosphorusContent MTC Phosphorus Content	Phosphorus content from the cast analysis (mass %).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcRadiometricControl MTC Radiometric Control	Radiometric (radioactivity) control result for the steel, where declared.	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcRelativeRibArea MTC Relative Rib Area	Relative rib area fR for ribbed reinforcing steel (bond performance).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcSteelProcess MTC Steel Process	Steelmaking process recorded on the certificate (free text where the controlled eusteel:TechnologyRoute is not used).	MaterialTestCertificate	`xsd:string`	Authorized Only	DPP Keystone
mtcSulfurContent MTC Sulfur Content	Sulfur content from the cast analysis (mass %).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcTensileStrength MTC Tensile Strength	Measured ultimate tensile strength Rm (MPa).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	—
mtcWeightTolerance MTC Weight Tolerance	Permitted weight tolerance of the tested product (%).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcYieldStrength MTC Yield Strength	Measured yield strength Re (MPa).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone
mtcYieldStrengthRatio MTC Yield Strength Ratio	Ratio of yield strength to tensile strength (Re/Rm).	MaterialTestCertificate	`xsd:decimal`	Authorized Only	DPP Keystone

Vocabulary alignment

Equivalent

DPP Keystone dppk:MaterialTestCertificate · curated

Broader · upstream

Schema.org schema:Certification · QA 60% GS1 gs1:CertificationDetails · QA 82%

QA % is the verifier panel's confidence. Curated mappings graded by openai/gpt-oss-20b, verified by local QA panels per round (claude-opus-4-8 / qwen3.5-27b / qwen3-32b).

Referenced upstream terms

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Used as Range (1)

hasMtc

Where used

Referenced by other terms (18)

domain:

eu/iron-steelmtcCarbonContent eu/iron-steelmtcCarbonEquivalent eu/iron-steelmtcCopperContent eu/iron-steelmtcElongation eu/iron-steelmtcFinishing eu/iron-steelmtcInspectionType eu/iron-steelmtcNitrogenContent eu/iron-steelmtcNominalSize eu/iron-steelmtcPhosphorusContent eu/iron-steelmtcRadiometricControl eu/iron-steelmtcRelativeRibArea eu/iron-steelmtcSteelProcess eu/iron-steelmtcSulfurContent eu/iron-steelmtcTensileStrength eu/iron-steelmtcWeightTolerance eu/iron-steelmtcYieldStrength eu/iron-steelmtcYieldStrengthRatio

range:

eu/iron-steelhasMtc

In SHACL shapes (1)

MaterialTestCertificateShapetargets

In example documents (2)

Master data & product examples

References

Source

https://www.cencenelec.eu/standards/EN/Pages/EN-10204.aspx

JSON-LD Example

{
  "@context": "https://ref.openepcis.io/extensions/eu/iron-steel/iron-steel-context.jsonld",
  "type": "MaterialTestCertificate",
  "mtcCarbonContent": "...",
  "mtcCarbonEquivalent": "...",
  "mtcCopperContent": "..."
}