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EU EN 18B2 钢棒,棒材和线材冷镦和冷挤压 - 第3部分:交货技术条件:表面硬化钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 18B2 / 18B2
Category Grade Standard Region/Area Standard Content
Metals 18B2 EN 10263-3 EU 钢棒,棒材和线材冷镦和冷挤压 - 第3部分:交货技术条件:表面硬化钢

Chemical composition(mass fraction)(wt.%) of the 18B2

Element Min Max Similar

Mechanical Properties of steel grade 18B2

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)
954 (≥) 975 (≥) 41 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade 18B2

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 - -     0.33 -  
471 129 - 21.3 312   -  
234 - 41 24.2   231 314

Heat Treatment of steel grade 18B2

Heat treated : 1148°C - 1898°C

Technological Curves of steel grade 18B2

Cross Reference Table (Equivalent Grade) of 18B2

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