Wholesale China Suppliers Factory for SCH20, SCH40, SCH80 Round Stainless Steel Pipes 316L, 410, 420, 304 Seamless
Stainless steel pipes, including round, square, and rectangular types, are essential in diverse industries, with mainstream grades 201, 304, and 316L (316L excels in corrosion resistance for harsh environments). Their core advantages lie in strong corrosion resistance, high tensile strength, and good ductility—able to withstand pressure, moisture, and temperature fluctuations. They're also easy to cut, weld, or bend for customization, with sleek finishes (2B, brushed, mirror) blending functionality and aesthetics, boasting a longer service life than carbon steel pipes.
Installation requires pre-treatment—degreasing and derusting the surface. Connection methods depend on scenarios: welding for high-pressure pipelines, threaded joints for easy disassembly, and flanges for chemical systems to prevent leaks. Post-installation, seal joints and clean residues promptly.
In use, avoid direct contact with carbon steel to prevent galvanic corrosion; outdoor pipes need expansion joints for thermal expansion/contraction. For acidic/alkaline media, choose 316L and inspect for cracks regularly.
Maintenance is straightforward: clean with neutral detergent daily; remove minor rust with specialized removers then re-passivate; check connections quarterly for tightness. Store in dry, ventilated areas to avoid moisture-induced rust, ensuring long-term reliable performance.
| Product Name | Stainless Steel Pipe |
| Material Type | Stainless steel square tube pipe |
| Items | Square tubes, rectangular tubes, round tubes |
| Thickness | 0.08mm – 100mm |
| Specifications |
1. Outer diameter (pipe) Round tube: 2mm – 20320mm 2. Square tube: 5mm – 2000mm 3. Rectangular tube: 10×20mm to 120×180mm | Thickness: 0.16mm to 4.0mm |
| Surface | Polishing, annealing, pickling, bright |
| Technology | Hot rolling, Cold rolling |
| Steel Grade | 304, 304L, 309S, 310S, 316, 316Ti, 317, 317L, 321, 347, 347H, 304N, 316L, 316N, 201, 202 |
| Standard | ASTM A213, A312, ASTM A269, ASTM A778, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296 |
| Tolerance |
a) Outer Diameter: ±0.5mm b) Thickness: ±0.05mm c) Length: ±5mm |
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment test |
| Packing | Standard export packing |
| Payment | T/T, L/C, Western Union |
| Delivery Time | 10 working days upon receipt of the deposit |
| MOQ | 1 ton |
| Application | Decoration, construction, upholstery, water supply, handrail, railing, staircase, door, window, balcony, fence, bench, furniture, etc. |
| Machining | Custom, Kaiping, cutting, pattern |
| Used | Factory, decoration, food |
