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CQ-10 Application:W-Co class carbide
Category Type Steel grade Standard Country
Grades Special Alloy CQ-10 AISI USA

Chemical composition % of the ladle analysis of grade CQ-10

C(%) W(%) Co(%)
5.14 78.86 16.0
CQ-10
Density / (g/cm ^ 3) : 13.85
Hardness HRC: 86.0
σ bb/MPa: 2110 ~ 2990
Grain size/μ m: 2 ~ 3 and 8
Use for example: used for bear violent vibration of the friction surface (also can be used for secondary impact conditions)
Mechanical properties of grade CQ-10
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
477 (≥) 518 (≥) 22 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
Physical properties of grade CQ-10
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
917 (≥) 925 (≥) 41 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
762 675 884
CQ-10 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

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