202 Stainless Steel Pipe & Tube
Jan 27, 2026
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What is 202 Stainless Steel Pipe & Tube?
202 Stainless Steel Pipe & Tube is a low-nickel, high-manganese austenitic stainless steel product, developed as an economical alternative to 304 series. It features cost advantage and basic corrosion resistance, widely applied in non-severe corrosive general-purpose scenarios.
Equivalent Grades (Horizontal)
UNS: S20200 | JIS: SUS202 | GB: 12Cr18Mn9Ni5N | EN: X12CrMnNiN18-9-5 | W.Nr.: 1.4373
Chemical Composition (wt%, Horizontal)
C: ≤0.15 | Si: ≤1.00 | Mn: 7.50-10.00 | P: ≤0.060 | S: ≤0.030 | Cr: 17.00-19.00 | Ni: 4.00-6.00 | N: 0.15-0.30 | Fe: Balance
Key Properties (20°C, Annealed, Horizontal)
Density: 7.75g/cm³ | Melting Point: 1350-1400°C | Tensile Strength: ≥520N/mm² | Yield Strength: ≥275N/mm² | Elongation: ≥40% | Hardness: ≤201HB
Core Characteristics
• High cost-performance: Low nickel content reduces production cost, suitable for large-scale general-purpose piping projects • Good forming and welding performance, easy to cut, bend and assemble, adapting to various installation needs • Basic corrosion resistance in dry air, fresh water and non-aggressive media, meeting general industrial and civil requirements • Not suitable for chloride-rich, acidic or severe corrosive environments, avoiding long-term exposure to harsh conditions
202 vs 304 Stainless Steel Pipe & Tube (Horizontal)
Ni Content: 202 (4.00-6.00%) | 304 (8.00-10.50%) | Mn Content: 202 (7.50-10.00%) | 304 (≤2.00%) | Corrosion Resistance: 202 (Basic) | 304 (Good) | Cost: 202 (Low) | 304 (Medium)
| 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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