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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 14993 (1994) | Hot-rolled heat-resisting superalloy bars for rotating parts |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.03 | 0.10 | ||
| Cr | 13.0 | 16.0 | ||
| Mo | 2.00 | 4.00 | ||
| Ni | Remainder | |||
| W | 5.00 | 7.00 | ||
| Al | 1.70 | 2.30 | ||
| Ti | 1.80 | 2.30 | ||
| Fe | 5.0 | |||
| Si | 0.40 | |||
| Mn | 0.50 | |||
| P | 0.015 | |||
| S | 0.010 | |||
| B | 0.02 | |||
| Ce | 0.02 | |||
| V | 0.10 | 0.50 |
| Tensile strength | 615～386 | σb/MPa |
| Yield Strength | 373 | σ 0.2 ≥/MPa |
| Elongation | 44 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 937～797 | - |
| HRC | 30 | - |
| Thermal expansion | 51-07 | e-6/K |
| Thermal conductivity | 69-40 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 6113-6390 | 째C |
| Density | 4711-7922 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| GH4037 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 |