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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | B 423 (2011) | Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825, N08221, and N06845) Seamless Pipe and Tube |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.01 | |||
| Si | 0.05 | |||
| Mn | 1.50 | |||
| P | 0.04 | |||
| S | 0.01 | |||
| Ni | remaining | |||
| Cr | 0.50 | 1.50 | ||
| Al | 0.10 | 0.50 | ||
| Cu | 0.50 | |||
| Ti | ||||
| Fe | 1.00 | 6.00 | ||
| Mo | 26.00 | 30.00 | ||
| Co | 2.50 |
| Tensile strength | 278～824 | σb/MPa |
| Yield Strength | 721 | σ 0.2 ≥/MPa |
| Elongation | 75 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 899～922 | - |
| HRC | 30 | - |
| Thermal expansion | 62-41 | e-6/K |
| Thermal conductivity | 75-84 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 0331-7084 | 째C |
| Density | 0618-2504 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| B 423 N08221 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 |