Chinese
Available 24/7 at sales@steel-grades.com
SGSG
Post Your Request Now
Toggle menu

CU-4

Favorite Datasheet
CU-3 CU-5
#CU-4

Description

USA AISI CU-4 W-Ta-Nb-Co class carbide and CU-4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: CU-4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy CU-4 AISI USA W-Ta-Nb-Co class carbide
CQ-9
CQ-10
CQ-11
CQ-12
CQ-13
CQ-14
CQ-15
CU-1
CU-2
CU-3

Chemical composition(mass fraction)(wt.%) of the CU-4

C(％) W(%) Co(%) Nb(%) Ta(%)
4.7 71.7 20.0 0.9 2.7

Mechanical Properties of steel grade CU-4

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)
384 (≥) 213 (≥) 13 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade CU-4

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
44 - -     0.13 -  
732 476 - 21.3 232   -  
393 - 41 21.2   321 424

Heat Treatment of steel grade CU-4

Heat treated : 1946°C - 1263°C

Technological Curves of steel grade CU-4

Cross Reference Table (Equivalent Grade) of CU-4

Grade Standard Country Application
CU-4 AISI USA W-Ta-Nb-Co class carbide
CU-3 CU-5
Available Suppliers
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...

Rfq.: sales@longhaisteel.com
  • Do you supply this CU-4?
  • List your company on S&G now? Join
  • Non-paying users only
Top