Home»Grades > Special Alloy > CU-2
CU-2Application:W-Ta-Nb-Co class carbide
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy CU-2AISIUSA

Chemical composition%of the ladle analysis of gradeCU-2

C(%)W(%)Co(%)Nb(%)Ta(%)
5.886.35.80.31.8
CU-2
Density / (g/cm ^ 3) : 14.80
Hardness HRC: 92.0
σ bb/MPa: 1760
Grain size/μ m: 2 ~ 3
Use for example: can be used to cast iron and the iron materials and half of the rough finished finishing
Mechanical properties of gradeCU-2
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)
491(≥)132(≥)312242Solution and Aging,Annealing,Ausaging,Q+T,etc243
Physical properties of gradeCU-2
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
262(≥)963(≥)313131Solution and Aging,Annealing,Ausaging,Q+T,etc312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
697387911
CU-2Range 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