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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | SB-649 | Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.12 | |||
| Si | 0.30 | |||
| Mn | 0.80 | |||
| Cr | 19.00 | |||
| Ni | 14.00 | |||
| Mo | ||||
| Co | ||||
| W | ||||
| Al | ||||
| Cu | ||||
| Ti | ||||
| Fe | remaining | |||
| Nb | 1.60 |
| Tensile strength | 763～912 | σb/MPa |
| Yield Strength | 711 | σ 0.2 ≥/MPa |
| Elongation | 19 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 168～839 | - |
| HRC | 30 | - |
| Thermal expansion | 82-73 | e-6/K |
| Thermal conductivity | 94-65 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 5518-7593 | 째C |
| Density | 3641-1942 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| SB-649 R20033 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 |