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CQ-8

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CQ-7 CQ-9
#CQ-8

Description

USA AISI CQ-8 W-Co class carbide and CQ-8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: CQ-8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy CQ-8 AISI USA W-Co class carbide
HAP 60
HAP 70
KHA 33N
CQ-1
CQ-2
CQ-3
CQ-4
CQ-5
CQ-6
CQ-7

Chemical composition(mass fraction)(wt.%) of the CQ-8

C(％) W(%) Co(%)
5.02 76.89 18.0

Mechanical Properties of steel grade CQ-8

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)
366 (≥) 448 (≥) 14 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade CQ-8

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 - -     0.13 -  
678 568 - 41.3 234   -  
242 - 42 41.2   341 442

Heat Treatment of steel grade CQ-8

Heat treated : 1852°C - 1483°C

Technological Curves of steel grade CQ-8

Cross Reference Table (Equivalent Grade) of CQ-8

Grade Standard Country Application
CQ-8 AISI USA W-Co class carbide
CQ-7 CQ-9
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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