Name: stainless steel tube (duplex steel pipe, stainless steel fluid steel pipes, stainless steel pipe, stainless steel boiler tubes, stainless steel seamless pipe, stainless steel welded pipe, stainless steel sanitary pipe, stainless steel thick-walled tube, stainless steel tube, stainless steel capillary, large stainless steel diameter pipe, etc.) Specifications: Φ1-Φ3000 × 0.1-60 mm 20 × 20-200 × 200 Material: 304,304 L, 321,316,316 L, 310S, 00Cr18Ni5Mo3Si2 (UNS S31500) (3RE60), 00Cr22Ni5Mo3N (UNS S31803/S32205 ) (SAF2205), 00Cr25Ni7Mo4N (UNS S32750) (SAF2507), and other materials commonly used standard:: GB13296-97, GB/T14976-2002, GB/T14975-2002 American Standard: ASTM A312/A312M, ASTM A213/A213M, ASTM A269/A269M German standard: DIN 2462 Japanese standard: JIS G3463 other standards: standards of production according to customer application: petroleum, chemical, pharmaceutical, food, machinery, aerospace, construction, military, metal, gas boilers, plumbing devices, ships, power plants and other industries. Note: You can customize a variety of materials, specifications, management of non-calibrated scale