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КВ20-К

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КВ20-К ВК25
#КВ20-К

Description

Russia ГОСТ КВ20-К Carbide for cutting tools and КВ20-К Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: КВ20-К
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy КВ20-К ГОСТ Russia Carbide for cutting tools
ВК11-В
ВК15
ВК15
ВК20
ВК20
ВК20
ВК20
ВК20-КС
ВК20-КС
КВ20-К

Chemical composition(mass fraction)(wt.%) of the КВ20-К

Co(%)
20

Mechanical Properties of steel grade КВ20-К

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
823 (≥) 961 (≥) 44 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade КВ20-К

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
21 - -     0.23 -  
921 624 - 23.3 123   -  
472 - 43 23.2   112 113

Heat Treatment of steel grade КВ20-К

Heat treated : 1989°C - 1877°C

Technological Curves of steel grade КВ20-К

Cross Reference Table (Equivalent Grade) of КВ20-К

Grade Standard Country Application
КВ20-К ГОСТ Russia Carbide for cutting tools
КВ20-К ГОСТ Russia Carbide for cutting tools
КВ20-К ВК25
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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