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Description

CQ-7 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: CQ-7
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel CQ-7
ASP 2053
ASP 2055
ASP 2060
ASP 2080
CQ-1
CQ-2
CQ-3
CQ-4
CQ-5
CQ-6

Chemical composition(mass fraction)(wt.%) of the CQ-7

 

C
Si
Mn
P
S
Cr Ni
 5.57            
Mo Al W Nb Ti V Ce
    85.43         
N Co Pb B Other    
  9.0     P 4-144     
             

Mechanical Properties of steel grade CQ-7

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)
261 (≥) 248 (≥) 12 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade CQ-7

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
12 - -     0.23 -  
936 899 - 43.3 331   -  
226 - 12 11.2   221 223

Heat Treatment of steel grade CQ-7

Heat treated : 1224°C - 1848°C

Technological Curves of steel grade CQ-7

Cross Reference Table (Equivalent Grade) of CQ-7

Grade Standard Country Application
CQ-7 AISI USA W-Co class carbide

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