Russia ГОСТ КВ20-К Carbide for cutting tools and КВ20-К Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Tool 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 | 
| Co(%) | 
|---|
| 20 | 
| 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 | 
| 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 treated : 1989°C - 1877°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| КВ20-К | ГОСТ | Russia | Carbide for cutting tools | 
| КВ20-К | ГОСТ | Russia | Carbide for cutting tools | 
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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