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C-4 Application:Machining with carbide
Category Type Steel grade Standard Country
Grades Special Alloy C-4 AISI USA

Chemical composition % of the ladle analysis of grade C-4

W(%) Co(%)
94.0-97.0 3.0-6.0
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 grade C-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 Condition Brinell hardness (HBW)
369 (≥) 343 (≥) 14 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Physical properties of grade C-4
Property Density
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
472 (≥) 926 (≥) 14 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
727 482 759
C-4 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
XH33TMДЮ(ЭK63,BHC-45) AISI USA
Russia TY standard corrosion resistant alloy hot rolled and forged bars

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