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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | GB/T 14992 (2005) | Classification and designation for superalloys and high temperature intermetallic materials |
| 2 | GB/T 14995 (2010) | Hot-rolled superalloy sheets |
| 3 | GB/T 14996 (2010) | Cold-Rolled heat-resisting superalloy sheets |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.10 | |||
| Cr | 19.0 | 22.0 | ||
| Mo | 2.80 | 3.50 | ||
| Ni | 25.0 | 30.0 | ||
| W | 4.80 | 6.00 | ||
| Nb | 0.70 | 1.30 | ||
| Si | 0.80 | |||
| Mn | 1.20 | |||
| P | 0.020 | |||
| S | 0.020 | |||
| B | 0.005 | |||
| N | 0.15 | 0.30 |
| Tensile strength | 201～017 | σb/MPa |
| Yield Strength | 764 | σ 0.2 ≥/MPa |
| Elongation | 94 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 780～745 | - |
| HRC | 30 | - |
| Thermal expansion | 19-18 | e-6/K |
| Thermal conductivity | 42-39 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 1681-1690 | 째C |
| Density | 3842-9046 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| GH1131 Stainless 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 |