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Description

China 4CrW2Si Alloy tool steel - Impact resistance tool steel and 4CrW2Si Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 4CrW2Si
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 4CrW2Si China Alloy tool steel - Impact resistance tool steel
T7
T8
T8Mn
T9
T10
T11
T12
T13
EN X2CrNiMoN17-11-2
1.4088

Chemical composition(mass fraction)(wt.%) of the 4CrW2Si

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) V(%) W(%) Cu(%)
0.35~0.45 0.80~1.10 ≤0.40 ≤0.030 ≤0.030 1.00~1.30 ≤0.20 ≤0.20 2.00~2.50 ≤0.30

Mechanical Properties of steel grade 4CrW2Si

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)
162 (≥) 491 (≥) 11 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 4CrW2Si

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
32 - -     0.44 -  
692 144 - 44.3 413   -  
253 - 43 24.2   121 342

Heat Treatment of steel grade 4CrW2Si

Heat treated : 1965°C - 1676°C

Technological Curves of steel grade 4CrW2Si

Cross Reference Table (Equivalent Grade) of 4CrW2Si

Grade Standard Country Application
4CrW2Si China Alloy tool steel - Impact resistance tool steel

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