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W7Mo4Cr4V2Co5

Description

China W7Mo4Cr4V2Co5 High-speed tool steel and W7Mo4Cr4V2Co5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: W7Mo4Cr4V2Co5
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy W7Mo4Cr4V2Co5 China High-speed tool steel
W18Cr4V
W18Cr4VCo8
W18Cr4V2Co8
W12Cr4V5Co5
W6Mo5Cr4V2
CW6Mo5Cr4V2
W6Mo5Cr4V3
CW6Mo5Cr4V3
W2Mo9Cr4V2
W6Mo5Cr4V2Co5

Chemical composition(mass fraction)(wt.%) of the W7Mo4Cr4V2Co5

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%) Co(%)
1.05~1.15 0.15~0.50 0.20~0.60 ≤0.030 ≤0.030 3.75~4.50 3.25~4.75 1.75~2.25 6.25~7.00 4.75~5.75

Mechanical Properties of steel grade W7Mo4Cr4V2Co5

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)
371 (≥) 262 (≥) 13 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade W7Mo4Cr4V2Co5

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
24 - -     0.21 -  
617 737 - 32.3 213   -  
881 - 12 31.2   143 332

Heat Treatment of steel grade W7Mo4Cr4V2Co5

Heat treated : 1919°C - 1574°C

Technological Curves of steel grade W7Mo4Cr4V2Co5

Cross Reference Table (Equivalent Grade) of W7Mo4Cr4V2Co5

Grade Standard Country Application
W7Mo4Cr4V2Co5 China High-speed tool steel

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