UNI 130505 KU Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Tool Steel | UNI 130505 KU | |||
| ST10E | |||||
| ST15E | |||||
| ST20E | |||||
| ST25E | |||||
| ST30E | |||||
| ST40E | |||||
| T12A | |||||
| T3S | |||||
| U1 | |||||
| U10E | 
| Element | Weight % | 
| C | 1.50-1.60 | 
| Mn | 0.15-0.40 | 
| Si | 0.15-0.40 | 
| Cr | 3.75-5.00 | 
| Ni | 0.3 | 
| Mo | 1.00 (max) | 
| W | 11.75-13.00 | 
| V | 4.50-5.25 | 
| Co | 4.75-5.25 | 
| Cu | 0.25 | 
| P | 0.03 | 
| S | 0.03 | 
| 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) | 
|---|---|---|---|---|---|---|
| 926 (≥) | 963 (≥) | 21 | 22 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.23 | - | |||
| 216 | 456 | - | 24.3 | 334 | - | ||
| 852 | - | 12 | 11.2 | 212 | 333 | 
Heat treated : 1111°C - 1916°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| UnitempAF2-1 | USA | Martensitic special steel | |
| UnitempHS | AISI | USA | Martensitic special steel | 
| Q195 | China | Engineering and welding | |
| Q215 | China | Engineering and welding | |
| Q215 B | China | Engineering and welding | |
| Q235 | China | Engineering and welding | |
| Q235 B | China | Engineering and welding | |
| Q235 C | China | Engineering and welding | |
| Q235 D | China | Engineering and welding | |
| Q255 A | China | Engineering and welding | |
| Q255 B | China | Engineering and welding | |
| Q275 | China | Engineering and welding | |
| Q235q C | China | Bridge structure with steel | |
| Q235q D | China | Bridge structure with steel | |
| Q345q E | China | Bridge structure with steel | |
| Q345q C | China | Bridge structure with steel | |
| ASTM 1030 | ASTM | USA | General use carbon steel bar | 
| UNS G10300 | UNS | USA | General use carbon steel bar | 
| ASTM 1005 | ASTM | USA | General use carbon steel bar | 
| UNS G10050 | UNS | USA | General use carbon steel bar | 
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