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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | G 4314 (1994) | Stainless steel wires for springs |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | |||
| Si | 1.00 | |||
| Mn | 2.00 | |||
| P | 0.045 | |||
| S | 0.03 | |||
| Cr | 18.00 | 20.00 | ||
| Ni | 8.00 | 10.50 | ||
| Mo | ||||
| N |
| Tensile strength | 404～671 | σb/MPa |
| Yield Strength | 709 | σ 0.2 ≥/MPa |
| Elongation | 44 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 306～125 | - |
| HRC | 30 | - |
| Thermal expansion | 45-30 | e-6/K |
| Thermal conductivity | 35-90 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 4000-5731 | 째C |
| Density | 8441-6729 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| SUS 304 WPB 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 |