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Description

USA AISI CU-1 W-Ta-Nb-Co class carbide and CU-1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: CU-1
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy CU-1 AISI USA W-Ta-Nb-Co class carbide
CQ-6
CQ-7
CQ-8
CQ-9
CQ-10
CQ-11
CQ-12
CQ-13
CQ-14
CQ-15

Chemical composition(mass fraction)(wt.%) of the CU-1

C(%) W(%) Co(%) Nb(%) Ta(%)
5.4 80.7 11.9 0.6 1.4

Mechanical Properties of steel grade CU-1

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)
967 (≥) 144 (≥) 11 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade CU-1

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
32 - -     0.34 -  
695 189 - 42.3 111   -  
675 - 33 31.2   124 212

Heat Treatment of steel grade CU-1

Heat treated : 1547°C - 1144°C

Technological Curves of steel grade CU-1

Cross Reference Table (Equivalent Grade) of CU-1

Grade Standard Country Application
CU-1 AISI USA W-Ta-Nb-Co class carbide
CB7Cu-1 AISI USA
CB7Cu-1 ASTM USA Steel Castings, Stainless, Precipitation Hardening
CB7Cu-1 ASTM USA Steel Castings, Stainless, Precipitation Hardening

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