Home»Grades > Special Alloy > CU-3
CU-3Application:W-Ta-Nb-Co class carbide
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CU-3AISIUSA

Chemical composition%of the ladle analysis of gradeCU-3

C(%)W(%)Co(%)Nb(%)Other(%)
4.765.725.01.5Ta:3.1
CU-3
Density / (g/cm ^ 3) : 12.80
Hardness HRC: 85.0
σ bb/MPa: 2530
Grain size/μ m: 1 ~ 3
Use for example: can be used in the manufacture of bear strong impact mould
Mechanical properties of gradeCU-3
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 ConditionBrinell hardness(HBW)
514(≥)762(≥)431313Solution and Aging,Annealing,Ausaging,Q+T,etc133
Physical properties of gradeCU-3
PropertyDensity
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
865(≥)439(≥)132434Solution and Aging,Annealing,Ausaging,Q+T,etc332
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
518345449
CU-3Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED

Enquiry