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Description

CW-4 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: CW-4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel CW-4
CQ-14
CQ-15
CU-1
CU-2
CU-3
CU-4
CU-5
CW-1
CW-2
CW-3

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

C
Si
Mn
P
S
Cr Ni
7.4            
Mo Al W Nb Ti V Ta
     67  2.4 10   7.2
N Co Pb B Other    
  6.0          
             

Mechanical Properties of steel grade CW-4

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)
977 (≥) 932 (≥) 22 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade CW-4

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
22 - -     0.33 -  
758 954 - 24.3 323   -  
171 - 22 43.2   411 224

Heat Treatment of steel grade CW-4

Heat treated : 1785°C - 1916°C

Technological Curves of steel grade CW-4

Cross Reference Table (Equivalent Grade) of CW-4

Grade Standard Country Application
CW-4 AISI USA W-Ta-Nb-Ti-Co class carbide

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