304 Stainless Steel Pipe & Tube
Jan 27, 2026
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What is 304 Stainless Steel Pipe & Tube?
304 Stainless Steel Pipe & Tube is the most widely used austenitic stainless steel piping product, integrating balanced corrosion resistance, mechanical properties and cost-effectiveness. It is the preferred choice for most industrial, civil and commercial piping applications.
Equivalent Grades (Horizontal)
UNS: S30400 | JIS: SUS304 | GB: 06Cr19Ni10 | EN: X5CrNi18-10 | W.Nr.: 1.4301
Chemical Composition (wt%, Horizontal)
C: ≤0.08 | Si: ≤1.00 | Mn: ≤2.00 | P: ≤0.045 | S: ≤0.030 | Cr: 18.00-20.00 | Ni: 8.00-10.50 | N: ≤0.10 | Fe: Balance
Key Properties (20°C, Annealed, Horizontal)
Density: 7.93g/cm³ | Melting Point: 1400-1450°C | Tensile Strength: 515-690N/mm² | Yield Strength: ≥205N/mm² | Elongation: ≥40% | Hardness: ≤201HB
Core Characteristics
• Versatile corrosion resistance: Excellent performance in dry air, fresh water, weak acids and neutral media, adapting to diverse scenarios • Superior forming and welding capabilities, easy to process into various shapes without performance degradation • Stable mechanical properties at room temperature, with good toughness and strength, ensuring long-term service life • Cost-effective and widely available, suitable for food processing, architectural decoration, industrial process piping and civil water supply
304 vs 316 Stainless Steel Pipe & Tube (Horizontal)
Mo Content: 304 (None) | 316 (2.00-3.00%) | Chloride Resistance: 304 (Poor) | 316 (Good) | Density: 304 (7.93g/cm³) | 316 (7.98g/cm³) | Application: 304 (General) | 316 (Corrosive)
| Grade | UNS No. | EN No. | C | Cr | Ni | Mo | Others |
| 304 | S30400 | 1.4301 | 0.08 | 18.00 - 20.00 | 8.00 - 12.00 | - | - |
| 304L | S30403 | 1.4307 | 0.035 | 18.00 - 20.00 | 8.00 - 12.00 | - | - |
| 310S | S31008 | 1.4845 | 0.08 | 24.00 - 26.00 | 19.00 - 22.00 | - | - |
| 316 | S31620 | 1.4401 | 0.08 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | - |
| 316L | S31603 | 1.4404 | 0.035 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | - |
| 316H | S31603 | - | 0.04 - 0.10 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | - |
| 316Ti | S31635 | 1.4571 | 0.08 | 16.00 - 18.00 | 10.00 - 14.00 | 2.00 - 3.00 | Ti:5X(C+N) - 0.70 |
| 317L | S31703 | 1.4438 | 0.035 | 18.00 - 20.00 | 11.00 - 15.00 | 3.00 - 4.00 | - |
| 321 | S32100 | 1.4541 | 0.08 | 17.00 - 19.00 | 9.00 - 12.00 | - | Ti:5X(C+N) - 0.70 |
| 347 | S34700 | 1.4550 | 0.08 | 16.00 - 18.00 | 10.00 - 14.00 | - | - |
| 347H | S34709 | 1.4551 | 0.04 - 0.10 | 17.00 - 20.00 | 9.00 - 13.00 | - | - |
| 904L | S8904 | 1.4539 | 0.02 | 19.00 - 23.00 | 23.00 - 28.00 | - | N:0.10 max Cu : 1.0 - 2.0 |
Stainless Steel Suppliers
If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com
Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.
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