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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | A 358/A 358M (2008) | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.020 | |||
| Si | 0.80 | |||
| Mn | 1.00 | |||
| P | 0.03 | |||
| S | 0.01 | |||
| Cr | 19.5 | 20.5 | ||
| Ni | 17.5 | 18.5 | ||
| Mo | 6.00 | 6.50 | ||
| Cu | 0.50 | 1.00 | ||
| N | 0.18 | 0.22 |
| Tensile strength | 443～019 | σb/MPa |
| Yield Strength | 636 | σ 0.2 ≥/MPa |
| Elongation | 07 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 738～482 | - |
| HRC | 30 | - |
| Thermal expansion | 39-79 | e-6/K |
| Thermal conductivity | 21-07 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 4921-3894 | 째C |
| Density | 1808-7369 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| A 358 S31254 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 |