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China 舞钢Q/WTB WNM400B 淬火加回火高强耐磨钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: WNM400B / WNM400B
Category Grade Standard Region/Area Standard Content
Metals WNM400B WJX 040 China 淬火加回火高强耐磨钢板

Chemical composition(mass fraction)(wt.%) of the WNM400B

Element Min Max Similar
B - 0.0040 -
Ni - 0.8000 -
Cr - 1.0000 -
Mo - 0.5000 -
S - 0.0150 -
P - 0.0250 -
Mn - 1.6000 -
Si - 0.7000 -
C - 0.2100 -

Mechanical Properties of steel grade WNM400B

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)
231 (≥) 971 (≥) 12 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade WNM400B

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
31 - -     0.42 -  
874 567 - 11.3 441   -  
775 - 22 34.2   224 214

Heat Treatment of steel grade WNM400B

Heat treated : 1859°C - 1688°C

Technological Curves of steel grade WNM400B

Cross Reference Table (Equivalent Grade) of WNM400B

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