309/309S Stainless Steel Bar
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- Stainless Steel
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Stainless Steel Bar
316/316L Stainless Steel Bar
Product Introduction
| Stainless Steel Bars: Specifications & Parameters | |||
| Grade & Shape Availability Matrix | |||
| Alloy / UNS | Round Bar | Square Bar | Rectangular Bar |
| 303 / S30300 | 0.0625" – 16.0" | 0.1875" – 2.0" | 0.125" – 2.0" x 0.5" – 4.0" |
| 304 / 304L / S30400/S30403 | 0.125" – 16.0" | 0.75" – 3.5" | 0.25" – 2.0" x 0.5" – 6.0" |
| 316 / 316L / S31600/S31603 | 0.1875" – 16.0" | 0.5" – 2.0" | 0.25" – 3.0" |
| 321 / S32100 | 0.375" – 6.0" | 0.375" – 2.0" | / |
| 347 / S34700 | 0.4375" – 1.5" | / | / |
| 410 / S41000 | 0.375" – 5.5" | / | / |
| 416 / S41600 | 0.125" – 9.0" | 0.25" – 2.0" | / |
| 17-4 PH / S17400 | 0.0937" – 13.0" | 1.0" – 3.5" | 0.25" – 3.0" x 0.75" – 6.0" |
| 440C / S44004 | 0.3125" – 8.5" | / | 0.1875" – 1.0" x 1.0" – 4.0" |
| Standard Size Ranges by Shape | |||
| Shape | Size Range | Tolerances | Standard Lengths |
| Round Bar | Φ 4 mm – 500 mm (0.157" – 19.7") | Bright/ground: ±0.02 mm; Black: ± tolerance per ASTM | 1 – 6 meters (custom cuts available) |
| Square Bar | 4 × 4 mm – 150 × 150 mm (0.16" – 5.9") | Per ASTM A276 | 10' – 14' random lengths |
| Rectangular / Flat Bar | Thickness: 2 mm – 150 mm (0.079" – 5.9"); Width: 10 mm – 450 mm (0.39" – 17.7") | Per ASTM A276 | 1 – 6 meters |
| Surface Finishes & Conditions | |||
| Finish Type | Description | Typical Applications | |
| Black / Black Bar | As-hot-rolled or forged, dark oxide surface | General engineering, further machining | |
| Bright / Bright Drawn (BD) | Cold drawn, smooth bright surface | Precision components, improved surface quality | |
| Polished / Polish Bar | Mechanically polished surface | Decorative, sanitary applications | |
| Ground / Ground & Polished | Precision ground to tight tolerances | Precision shafts, guide rods | |
| Rough Turned | Machined to remove decarburization | Large-diameter bars, further finishing | |
| Annealed & Pickled | Heat-treated and chemically descaled | Corrosion-resistant applications, welding | |
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