309S 310S Stainless Steel Welded Tube 1-600mm OD with 0.3-150mm Wall Thickness
High-quality duplex stainless steel pipes and tubes manufactured to international standards, available in grades 201, 304L, 316L, 309S, 310S, and 2205. These welded and seamless pipes offer superior corrosion resistance and mechanical properties for demanding industrial applications.
Material grades: 201, 304L, 316L, 309S, 310S, 2205
Manufacturing standards: GB, ASTM, AISI, JIS, DIN
- Outside diameter: 1mm to 600mm
- Wall thickness: 0.3mm to 150mm
- Superior surface finish with bright mirror polished option
- Enhanced mechanical properties and dimensional precision
- Comprehensive quality inspection with advanced equipment
- Petroleum, chemical, and food processing industries
- Fluid, gas, and oil transportation systems
- Pressure and heat transmission equipment
- Construction, architectural, and decorative applications
- Boiler heat exchangers and medical equipment
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
|---|---|---|---|---|---|---|---|---|
| 201 | ≤0.15 | ≤1.00 | 5.5/7.5 | ≤0.060 | ≤0.030 | 3.5/5.5 | 16.0/18.0 | - |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8.0/11.0 | 18.00/20.00 | - |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 |
ZHEHENG STEEL maintains comprehensive quality certifications including ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, and ISO 14001-2004, ensuring reliable performance and international compliance.
Each piece is individually protected in plastic bags and securely packed in seaworthy plywood cases for safe international shipping and storage.
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