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Description

USA AISI CQ-3 W-Co class carbide and CQ-3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: CQ-3
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy CQ-3 AISI USA W-Co class carbide
CPM Rex 76
CPM Rex 76HS
HAP 10
HAP 40
HAP 50
HAP 60
HAP 70
KHA 33N
CQ-1
CQ-2

Chemical composition(mass fraction)(wt.%) of the CQ-3

C(%) W(%) Co(%)
5.84 89.66 4.5

Mechanical Properties of steel grade CQ-3

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)
853 (≥) 677 (≥) 31 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade CQ-3

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
23 - -     0.24 -  
838 531 - 21.3 131   -  
881 - 32 24.2   323 243

Heat Treatment of steel grade CQ-3

Heat treated : 1286°C - 1337°C

Technological Curves of steel grade CQ-3

Cross Reference Table (Equivalent Grade) of CQ-3

Grade Standard Country Application
CQ-3 AISI USA W-Co class carbide

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