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EU EN 23MnB4 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: 23MnB4 / 23MnB4
Category Grade Standard Region/Area Standard Content
Metals 23MnB4 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 23MnB4

Element Min Max Similar
Si - 0.3000 -
S - 0.0250 -
P - 0.0250 -
Mn 0.9000 1.2000 -
Cu - 0.2500 -
Cr - 0.3000 -
C 0.2000 0.2500 -
B 0.0008 0.0050 -

Mechanical Properties of steel grade 23MnB4

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)
596 (≥) 385 (≥) 13 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade 23MnB4

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
14 - -     0.31 -  
117 688 - 24.3 241   -  
946 - 43 12.2   314 424

Heat Treatment of steel grade 23MnB4

Heat treated : 1433°C - 1756°C

Technological Curves of steel grade 23MnB4

Cross Reference Table (Equivalent Grade) of 23MnB4

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