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31CrMoB2-1

EU EN 31CrMoB2-1 钢棒,冷镦和冷挤压棒材和线材 - 第4部分:交货技术条件:淬火和回火钢。 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 31CrMoB2-1 / 31CrMoB2-1
Category Grade Standard Region/Area Standard Content
Metals 31CrMoB2-1 EN 10263-4 EU 钢棒,冷镦和冷挤压棒材和线材 - 第4部分:交货技术条件:淬火和回火钢。

Chemical composition(mass fraction)(wt.%) of the 31CrMoB2-1

Element Min Max Similar

Mechanical Properties of steel grade 31CrMoB2-1

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
593 (≥) 455 (≥) 42 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 31CrMoB2-1

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
12 - -     0.43 -  
589 333 - 11.3 332   -  
996 - 12 21.2   133 133

Heat Treatment of steel grade 31CrMoB2-1

Heat treated : 1836°C - 1411°C

Technological Curves of steel grade 31CrMoB2-1

Cross Reference Table (Equivalent Grade) of 31CrMoB2-1

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