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China GB CrWMn 合金工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CrWMn / CrWMn
Category Grade Standard Region/Area Standard Content
Metals CrWMn GB/T 1299 China 合金工具钢

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

Element Min Max Similar
Ni - 0.2500 -
Cu - 0.2500 -
S - 0.0200 -
P - 0.0300 -
W 1.2000 1.6000 -
Cr 0.9000 1.2000 -
Mn 0.8000 1.1000 -
Si - 0.4000 -
C 0.9000 1.0500 -

Mechanical Properties of steel grade CrWMn

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)
168 (≥) 584 (≥) 43 33 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade CrWMn

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
44 - -     0.14 -  
772 535 - 33.3 334   -  
692 - 42 42.2   443 133

Heat Treatment of steel grade CrWMn

Heat treated : 1548°C - 1859°C

Technological Curves of steel grade CrWMn

Cross Reference Table (Equivalent Grade) of CrWMn

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