China GB GB/T 1220 (1992) , GB/T 4226 (2004) , GB/T 4240 (1993) , GB/T 4356 (1984), Y1Cr18Ni9Se Specialsteel Improve the machinability, ablation resistance. Suitable for automatic lathe production of rivets, screws and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | Y1Cr18Ni9Se | Austenite | GB | China | Improve the machinability, ablation resistance. Suitable for automatic lathe production of rivets, screws |
| C | Si | Mn | P | S | Ni | Cr | Se |
|---|---|---|---|---|---|---|---|
| ≤0.15 | ≤1.00 | ≤2.00 | ≤0.200 | ≤0.060 | 8.00 -10.00 | 17.00 -19.00 | ≤0.15 |
| 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) |
|---|---|---|---|---|---|---|
| 778 (≥) | 689 (≥) | 31 | 43 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| 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 | - | - | 0.41 | - | |||
| 291 | 289 | - | 31.3 | 333 | - | ||
| 478 | - | 34 | 12.2 | 211 | 242 |
Heat treated : 1438°C - 1224°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| Y1Cr18Ni9Se | |||
| Y1Cr18Ni9Se |
| GB/T 1220 (1992) | Stainless steel bars | GB-T-1220-(1992)-.pdf |
| GB/T 4226 (2004) | Cold finished stainless steel bars | GB-T-4226-(2004)-.pdf |
| GB/T 4240 (1993) | Stainless steel wires | GB-T-4240-(1993)-.pdf |
| GB/T 4356 (1984) | Stainless steel wire rods | GB-T-4356-(1984).pdf |
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