Stainless steel welded tube / pipe 1. Standard: GB, ASTM, JIS, DIN, EN, AISI 2. Material: 304, 304L, 316, 316L ... , etc Stainless steel welded tube / pipe1. Standard: GB, ASTM, JIS, DIN, EN, AISI2. Material: 304, 304L, 316, 316L, etc3. ... TPD≥481≥177≥351010°Cabove Quench3. Tolerance ItemStandardOuter Diameter(D)mmDiameter TolerancemmTicknessmmRoundnessStraightnessLengthmmJIS G 34599.52~28.58+0/-0.37 ...