**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 gradeC-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 gradeC-4
Proof strength R_p0.2(MPa)	Tensile strength R_m(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
152(≥)	917(≥)	42	12	21	Solution and Aging,Annealing,Ausaging,Q+T,etc	224

Physical properties of gradeC-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
397(≥)	484(≥)	24	13	31	Solution and Aging,Annealing,Ausaging,Q+T,etc	333
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
432	321	518

C-4Range of products
Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)WL	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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