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| Material | Standard | Country |
| T12001 | UNS | USA |
| T12002 | UNS | USA |
| T12004 | UNS | USA |
| T12005 | UNS | USA |
| T12006 | UNS | USA |
| T12008 | UNS | USA |
| T12015 | UNS | USA |
| T15 | ASTM | USA |
| T11301 | UNS | USA |
| T11302 | UNS | USA |
| T11313 | UNS | USA |
| T11323 | UNS | USA |
| T11304 | UNS | USA |
| T11306 | UNS | USA |
| T11307 | UNS | USA |
| T11310 | UNS | USA |
| T11330 | UNS | USA |
| T11333 | UNS | USA |
| T11334 | UNS | USA |
| T11336 | UNS | USA |
| T11341 | UNS | USA |
| T11342 | UNS | USA |
| T11343 | UNS | USA |
| T11344 | UNS | USA |
| T11346 | UNS | USA |
| T11347 | UNS | USA |
| T11350 | UNS | USA |
| T11352 | UNS | USA |
| T11361 | UNS | USA |
| BT1 | B.S. | UK |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.65 | 0.80 | ||
| Si | 0.20 | 0.40 | ||
| Mn | 0.10 | 0.40 | ||
| P | 0.030 | |||
| S | 0.030 | |||
| Cr | 3.75 | 4.50 | ||
| Mo | ||||
| V | 0.90 | 1.30 | ||
| W | 17.25 | 18.75 | ||
| Co |
| Tensile strength | 574～422 | σb/MPa |
| Yield Strength | 992 | σ 0.2 ≥/MPa |
| Elongation | 23 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 673～354 | - |
| HRC | 30 | - |
| Thermal expansion | 11-53 | e-6/K |
| Thermal conductivity | 64-84 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 0789-1808 | 째C |
| Density | 6933-8336 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| T1 Tool Die Steels | 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 |