Stainless steel seamless pipes according to US / ASTM standards, which also includes a wide range of sizes in duplex and super-duplex stainless steels grades.
1) Standard
Ruimai Stainless steel seamless pipe is available in various kinds of US standards as below:
- ASTM A312/312M, A213/213M, A269, A789, A790, A999, A632
- Nace 0175 MR
2) Steel Grades
Austenitic stainless steel grades: 304/304L, 316/316L, 316Ti, 317/317L, 321/321H, 304H, 347/347H, 310/310S
Duplex / super duplex stainless steel grades: S32205, S31803, S32750, S32760, 904 /904L.
3) Delivery condition
Stainless steel seamless pipes are delivered in conditions as below:
- Bright annealed,
- Solution annealed and pickled,
- Annealed and Polished
4) Size Range
Ruimai stainless steel seamless pipes covers a wide range of dimensions as below.
Outer Diameter: 3 mm to 508 mm;
Wall thickness: 0.5 mm - 40 mm
ASTM /US Standard stainless steel seamless pipes are supplied as:
