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W18Cr4VCo8

Description

China W18Cr4VCo8 High-speed tool steel and W18Cr4VCo8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: W18Cr4VCo8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy W18Cr4VCo8 China High-speed tool steel
SM2CrNi3MoAl1S
SM4Cr5MoSiV
SM4Cr5MoSiV1
SMCr12Mo1V1
SM2Cr13
SM3Cr17Mo
SM4Cr13
SM45A
SM48
W18Cr4V

Chemical composition(mass fraction)(wt.%) of the W18Cr4VCo8

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%) Co(%)
0.70~0.80 0.20~0.40 0.10~0.40 ≤0.030 ≤0.030 3.75~5.00 0.50~1.25 1.80~2.40 17.50~19.00 4.25~5.75

Mechanical Properties of steel grade W18Cr4VCo8

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)
556 (≥) 621 (≥) 11 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade W18Cr4VCo8

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
34 - -     0.32 -  
871 392 - 14.3 342   -  
765 - 24 44.2   423 141

Heat Treatment of steel grade W18Cr4VCo8

Heat treated : 1798°C - 1181°C

Technological Curves of steel grade W18Cr4VCo8

Cross Reference Table (Equivalent Grade) of W18Cr4VCo8

Grade Standard Country Application
W18Cr4VCo8 China High-speed tool steel

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