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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 6258 | Specification for hollow steel bars for machining |
| 3 | 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 |
| 4 | BS 970-3 | Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | |||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| P | 0.04 | |||
| S | 0.03 | |||
| Cr | 16.00 | 18.00 | ||
| Mo | ||||
| Ni | 0.50 |
| Tensile strength | 307～454 | σb/MPa |
| Yield Strength | 104 | σ 0.2 ≥/MPa |
| Elongation | 02 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 918～592 | - |
| HRC | 30 | - |
| Thermal expansion | 47-53 | e-6/K |
| Thermal conductivity | 43-95 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 8148-8345 | 째C |
| Density | 8165-8687 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 430S17 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 |