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40 CrMoV 4 7 | 1.7711 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
1.7711 (DIN 17240 : 1976-07) 40 CrMoV 4 7 1.7711 DIN 17240 : 1976-07 DIN 17240 : 1976-07 replaced by DIN EN 10269 : 2006-07 Replaced Germany 40CrMoV4-6 1.1.1 ≤ 540 1)
1) Remark: High temperature steel for screws and bolts up to 540 °C.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] P [%] S [%] Si [%] V [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Reduction of Area [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Poisson's Ratio 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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Toughness Data (Impact)

Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Relaxation Data

Temperature [°C] Residual Stress at 10³ h [MPa] Residual Stress at 10^4 h [MPa] Residual Stress at 3*10^4 h [MPa]
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Welding and Joining

Procedure Welding and Joining - Evaluation
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Creep Rupture Behaviour

Temperature [°C] Creep Tensile Strength at 10^4 h [MPa] Creep Tensile Strength at 3*10^4 h [MPa] Creep Tensile Strength at 10^5 h [MPa] 1% Creep Limit at 10^4 h [MPa] 1% Creep Limit at 3*10^4 h [MPa] 1% Creep Limit at 10^5 h [MPa]
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Cross Reference

Material Name Country Standard
670 Great Britain BS 1506
40 CrMoV 4 6 International ISO/TR 4956-84
SNB 16 Japan JIS G 4107
40 CrMoV 4 7 S Austria M 3120
40CrMoV4-6 Germany DIN EN 10269

Producer/Supplier/Trade names

Tradename Supplier
40 CrMoV 4 7 Salzgitter Flachstahl GmbH, Salzgitter
40 CrMoV 4 7 ThyssenKrupp Steel Europe AG, Duisburg
40 CrMoV 4 7 voestalpine AG, Linz
40 CrMoV 4 7 Walzwerke Einsal GmbH, Nachrodt
TEW 40 CrMoV 4 7 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten