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C-4Application:Machining with carbide
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy C-4AISIUSA

Chemical composition%of the ladle analysis of gradeC-4

W(%)Co(%)
94.0-97.03.0-6.0
C-4
Density / (g/cm ^ 3) : 15.0-15.1 Hardness HRA: 92.0 ~ 93.0 Bending strength/MPa: 1205 ~ 1795 Use for example: used in cast iron, non-iron metals, nonmetal material light load precision drilling
Mechanical properties of gradeC-4
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)
629(≥)514(≥)431221Solution and Aging,Annealing,Ausaging,Q+T,etc444
Physical properties of gradeC-4
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
777(≥)931(≥)332414Solution and Aging,Annealing,Ausaging,Q+T,etc323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
561197665
C-4Range 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
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
XH33TMДЮ(ЭK63,BHC-45)AISIUSA
Russia TY standard corrosion resistant alloy hot rolled and forged bars

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