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Material Description

Material Number Material Name Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CR340LA (VDA 239-100 : 2024-05) CR340LA VDA 239-100 : 2024-05 Supersedes VDA 239-100 : 2016-05 Valid Germany CR340LA 1.1.1 1)
1) Remark: Cold rolled high strength low alloy steel sheet for cold forming.

Chemical Composition

Al [%] C [%] Cu [%] Mn [%] Nb [%] P [%] S [%] Si [%] Ti [%] Remainder
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength [MPa] Elongation A50 [%] Elongation A80 [%] Strain Hardening Exponent n10-20/UE
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Differential Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Thermal Diffusivity [10^-6 m²/s] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] True Specific Heat Capacity [kJ/(kg*K)]
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Cross Reference

Material Name Country Standard
CR380LA China GB/T 20564.4 1)
HC380LA Europe EN 10268 2)
H360LA Europe 1)
380Y India IS 14491 1)
380Y International ISO 13887 1)
SPFC540 Japan JIS G 3135 1)
A1008 Grade 55 USA ASTM A1008 1)
A1011 Grade 50 USA ASTM A1011 1)
ZStE 380 Germany 1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Thyssenkrupp Steel AG, MHZ, 05/2017

Producer/Supplier/Trade names

Tradename Supplier
CR340LA ArcelorMittal Commercial Germany, Cologne
CR340LA Salzgitter Flachstahl GmbH, Salzgitter
MHZ380 ThyssenKrupp Steel Europe AG, Duisburg
CR340LA voestalpine AG, Linz