Duplex Stainless Steel Pipe
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The duplex stainless steel pipe supplied by N-STEEL is ideal for a large variety of industries such as petrochemical industry, offshore oil industry, chemical fertilizer industry, petroleum refining industry, petroleum and natural gas industry, light and food industry, paper industry, energy and environment protection industry.
Product Standards: GB/T 21832, GB/T 21833, ASTM A789 (ASME SA789), ASTM A790 (ASME SA790), ASTM A928
Main Steel Grades: UNS S32001, S31500, S32304, S31803, S32205, S32760, S32750
Packing methods: Export seaworthy packing such as woven bag packing, wooden case packing, etc.
Specifications of Duplex Stainless Steel Pipe| Product | Standard | O.D. (mm) | Wall Thickness (mm) |
| Welded pipe | ASTM A789 | 10.3-203.2 | 0.4-4.0 |
| ASTM A790 | 50.8-2000 | 1.0-12.7 | |
| ASTM A928 | 114.3-3000 | 2.5-60 | |
| GB/T 21832 | 10.3-3000 | 0.4-60 | |
| Seamless pipe | ASTM A789 | 12.7-203.2 | 0.5-6.35 |
| ASTM A790 | 6.0-406 | 0.5-30 |
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