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| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | A 314 (2008) | Stainless Steel Billets and Bars for Forging |
| 2 | A 473 (2009) | Stainless Steel Forgings |
| 3 | A 581/A 581M (2009) | Free-Machining Stainless Steel Wire and Wire Rods |
| 4 | A 582/A 582M (2012) | Free-Machining Stainless Steel Bars |
| 5 | A 895 (2009) | Free-Machining Stainless Steel Plate, Sheet, and Strip |
| 6 | A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.15 | |||
| Si | 1.00 | |||
| Mn | 2.00 | |||
| P | 0.2 | |||
| S | 0.15 | |||
| Cr | 17.0 | 19.0 | ||
| Ni | 8.00 | 10.0 | ||
| Mo | 0.60 |
| Tensile strength | 986～077 | σb/MPa |
| Yield Strength | 333 | σ 0.2 ≥/MPa |
| Elongation | 95 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 471～728 | - |
| HRC | 30 | - |
| Thermal expansion | 28-98 | e-6/K |
| Thermal conductivity | 44-82 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 9838-5273 | 째C |
| Density | 8729-7777 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 303 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 |
