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Cm 15 | 1.1140 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]
1.1140 (DIN 1652-3 : 1990-11) Cm 15 1.1140 DIN 1652-3 : 1990-11 DIN 1652-3 : 1990-11 replaced by DIN EN 10277-4 : 1999-10 Replaced Germany C15R 1.1.1 ≥ -25 1)
1) Remark: The steel Cm 15 is used for wear loaded parts with higher core strength in the vehicle and mechanical engineering (e.g. levers, joints, gears). Because of the S-content the steel has a better machinability. The lowest application amounts to -25 °C, the best application from 5 to 10 mm nominal size.

Chemical Composition

C [%] Mn [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength [MPa] Elongation A [%] 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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Cross Reference

Material Name Country Standard
C 16-3 Belgium NBN 253-03
C 15 M 2 International ISO 683/11-87
C15R Germany DIN EN 10277-4

Producer/Supplier/Trade names

Tradename Supplier
Cm 15 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach