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Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | A 493 (2009) | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
| Material | Standard | Country |
| A 276 S44004 | SAE | USA |
| A 314 S44004 | SAE | USA |
| A 473 S44004 | SAE | USA |
| A 580 S44004 | SAE | USA |
| S44004 | AISI | USA |
| SUS 440C | JIS | Japan |
| SUS 440C | JIS | Japan |
| SUS 440C | JIS | Japan |
| SUS 440C | JIS | Japan |
| STS440C | KS | Korea |
| 440C | CNS | China |
| AISI440C | AISI | USA |
| ASTM440C | ASTM | USA |
| S44004 | UNS | USA |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.95 | 1.20 | ||
| Mn | 1.00 | |||
| Si | 1.00 | |||
| P | 0.04 | |||
| S | 0.03 | |||
| Cr | 16.00 | 18.00 | ||
| Ni | ||||
| Mo | 0.75 |
| Tensile strength | 545～845 | σb/MPa |
| Yield Strength | 175 | σ 0.2 ≥/MPa |
| Elongation | 40 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 747～391 | - |
| HRC | 30 | - |
| Thermal expansion | 45-75 | e-6/K |
| Thermal conductivity | 88-09 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 7479-6817 | 째C |
| Density | 3653-7112 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| A 493 S44004 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 |
