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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | BS 1449-2 | Steel plate, sheet and strip. Specification for stainless and heat-resisting steel plate, sheet and strip |
| 2 | BS 1501-3 | Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip |
| 3 | BS 1502 | Specification for steels for fired and unfired pressure vessels: sections and bars |
| 4 | BS 1503 | Specification for steel forgings for pressure purposes |
| 5 | BS 1506 | Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications |
| 6 | BS 3605-1 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes |
| 7 | BS 3605-2 | Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes |
| 8 | BS 3606 | Specification for steel tubes for heat exchangers |
| 9 | BS 6258 | Specification for hollow steel bars for machining |
| 10 | BS 970-1 | Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels |
| 11 | BS 970-3 | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
| Material | Standard | Country |
| CFS 316S31 | B.S. | UK |
| HFM 316S31 | B.S. | UK |
| HFS 316S31 | B.S. | UK |
| LW 316S31 | B.S. | UK |
| LWCF 316S31 | B.S. | UK |
| LWHT 316S31 | B.S. | UK |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.07 | |||
| Si | 1.00 | |||
| Mn | 2.00 | |||
| P | 0.045 | |||
| S | 0.03 | |||
| Cr | 16.50 | 18.50 | ||
| Mo | 2.00 | 2.50 | ||
| Ni | 10.50 | 13.50 |
| Tensile strength | 687～864 | σb/MPa |
| Yield Strength | 178 | σ 0.2 ≥/MPa |
| Elongation | 43 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 951～332 | - |
| HRC | 30 | - |
| Thermal expansion | 07-24 | e-6/K |
| Thermal conductivity | 72-30 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 0249-1770 | 째C |
| Density | 9096-5499 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 316S31 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 |