Stainless steel tube: Clean and pure steel quality, well- proportioned and stable ingredients, perfect furface quality. Stainless steel tube: MaterialsTP304,TP304L,TP310S,TP316L TP321 TP202hFinish2B polish,colour,and so onOD9.5mm-1200mm and so onThickness0.25mm-30mmLengthcut any length at your requirementStandardsASTM A511 A269 A312 A213,GB/T14976-2002 GB13296-91Advantageacid-proof,alkali- ...