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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | BS 1449-1-1.2 | Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled steel plate, sheet and wide strip based on formability |
| Material | Standard | Country |
| HR40 | B.S. | UK |
| 2HR401 | B.S. | UK |
| HR402 | B.S. | UK |
| HR403 | B.S. | UK |
| HR404 | B.S. | UK |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.12 | 0.20 | ||
| Si | 1.00 | |||
| Mn | 1.00 | |||
| P | ||||
| S | 0.015 | |||
| Cr | 14.00 | 16.00 | ||
| Ni | remaining | |||
| Mo | 3.00 | 5.00 | ||
| Co | 13.00 | 15.50 | ||
| Ti | 3.50 | 4.50 | ||
| Fe | 1.00 | |||
| Al | 4.50 | 5.50 | ||
| Cu | 0.20 | |||
| B | 0.0100 | 0.0250 | ||
| Bi | 0.0001 | |||
| Pb | 0.0015 | |||
| Ag | 0.0005 | |||
| Zr | 0.15 |
| Tensile strength | 422～701 | σb/MPa |
| Yield Strength | 551 | σ 0.2 ≥/MPa |
| Elongation | 02 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 129～400 | - |
| HRC | 30 | - |
| Thermal expansion | 60-98 | e-6/K |
| Thermal conductivity | 13-86 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 4061-6485 | 째C |
| Density | 8459-9657 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| HR4 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 |