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Standard Stainless Steel 304 (UNS S30400) pipes are extensively utilized in municipal water supply systems, chemical transport, food & beverage handling, architectural frameworks, and structural pipelines. Its balanced chromium-nickel chemistry provides outstanding resistance to organic chemicals, atmospheric weathering, and oxidizing acids under ambient and moderately elevated temperatures.
| Product Form | Outer Diameter (OD) | Wall Thickness (WT) | Standard Length |
|---|---|---|---|
| Seamless Pipe (SMLS) | 10.3mm – 610.0mm (1/8" – 24") | 1.24mm – 59.54mm (SCH 5S – SCH 160) | 6m / 12m / Fixed Length |
| Welded Pipe (ERW / EFW) | 15.0mm – 1219.0mm (1/2" – 48") | 1.5mm – 30.0mm (SCH 5S – SCH 80S) | 6m / Cut-to-length |
| Precision / Bright Annealed Tube | 6.0mm – 38.1mm | 0.5mm – 3.0mm | Coil / Straight 6m |
| Element | Cr | Ni | C | Mn | Si | P | S | Fe |
|---|---|---|---|---|---|---|---|---|
| Min. | 18.0 | 8.0 | - | - | - | - | - | Bal. |
| Max. | 20.0 | 10.5 | 0.08 | 2.00 | 0.75 | 0.045 | 0.030 | Bal. |
| Tensile Strength Rm (MPa) | Yield Strength Rp0.2 (MPa) | Elongation A5 (%) | Hardness (HB) | Density (g/cm³) | Melting Range (°C) |
|---|---|---|---|---|---|
| ≥ 515 | ≥ 205 | ≥ 35 | ≤ 201 | 7.93 | 1400 – 1450 |
