stainless steel welded pipe,high quality,competitive price,good ... content, ASTM A554 standard surface finishing:mirror or grit600 stainless steel welded pipe: Features:1) Sizes:OD(mm) 9. ... 5, 12.7, 15.9, 17, 18, 19.1, 20, 21, 22.2, 23, 25.4 ... ±0.2mm Thickness: ±0.05mm Length: ±5mm5) Material of stainless steel: 304 (0cr18ni9, 0cr17ni8) 201 (1cr17mn6ni5n, 1cr13mn9ni1n) Customers' request is ...