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ВК20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ВК20

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ГОСТ ВК20

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This page is mainly introduced the ВК20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ВК20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:ВК20
Type:Special Alloy
Country:Russia
Standard:ГОСТ
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ВК20	ГОСТ	Russia
ВК20-КС	ГОСТ	Russia
ВК20-КС	ГОСТ	Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	669～257	σb/MPa
Yield Strength	285	σ 0.2 ≥/MPa
Elongation	20	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	887～459	-
HRC	30	-

Physical Properties

Thermal expansion	71-94	e-6/K
Thermal conductivity	66-71	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5574-3878	째C
Density	6594-1998	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
ВК20 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk