Korea KS STS4 Carbide for cutting tools and STS4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Tool Steel And Hard Alloy | STS4 | KS | Korea | Carbide for cutting tools | 
| STF4 | |||||
| STF7 | |||||
| STF7 | |||||
| STF8 | |||||
| STF8 | |||||
| STS5 | |||||
| STS5 | |||||
| STS8 | |||||
| STS8 | |||||
| STS4 | 
| 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) | 
|---|---|---|---|---|---|---|
| 317 (≥) | 851 (≥) | 12 | 11 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.12 | - | |||
| 896 | 133 | - | 32.3 | 431 | - | ||
| 819 | - | 32 | 12.2 | 132 | 341 | 
Heat treated : 1115°C - 1171°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| STS4 | KS | Korea | Carbide for cutting tools | 
| STS4 | KS | Korea | Carbide for cutting tools | 
| STS4 | KS | Korea | Carbide for cutting tools | 
| STS4 | KS | Korea | Carbide for cutting tools | 
| STS41 | KS | Korea | Carbide for cutting tools | 
| STS41 | KS | Korea | Carbide for cutting tools | 
| STS43 | KS | Sweden | Carbide for cutting tools | 
| STS43 | KS | Sweden | Carbide for cutting tools | 
| STS44 | KS | Korea | Carbide for cutting tools | 
| STS44 | KS | Korea | Carbide for cutting tools | 
| STS4 | KS | Korea | Carbide for cutting tools | 
| STS4 | KS | Korea | Carbide for cutting tools | 
| STS43 | KS | Korea | Carbide for cutting tools | 
| STS43 | KS | Korea | Carbide for cutting tools | 
| STS405 | KS | Korea | Austenitic Steel | 
| STS405 | KS | Korea | Austenitic Steel | 
| STS410L | KS | Korea | Austenitic Steel | 
| STS410L | KS | Korea | Austenitic Steel | 
| STS430 | KS | Korea | Austenitic Steel | 
| STS430 | KS | Korea | Austenitic Steel | 
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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