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Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | SA-240/SA-240M | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.018 | |||
| Mn | 2.00 | |||
| Si | 3.70 | 4.30 | ||
| P | 0.02 | |||
| S | 0.02 | |||
| Cr | 17.00 | 18.50 | ||
| Ni | 14.00 | 15.50 | ||
| Mo | 0.20 |
| Tensile strength | 762～252 | σb/MPa |
| Yield Strength | 387 | σ 0.2 ≥/MPa |
| Elongation | 40 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 806～913 | - |
| HRC | 30 | - |
| Thermal expansion | 97-83 | e-6/K |
| Thermal conductivity | 92-15 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 7706-3649 | 째C |
| Density | 3719-7798 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| SA-240 S30600 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 |
