... Seamless Stainless Steel Tubes: Standard: ASTM A213,A269,A511,A312,A270 Grades:TP304,304L,316,316L,317L,310S,321,347,S30813 Seamless Stainless Steel Tubes : ... Standard: ASTM A213,A269,A511,A312,A270 Grades:TP304,304L,316,316L,317L ... Textile spinning flyers, Electronical components, Medical instruments. Seamless Stainless Steel Tubes ASTM A213; A269; A3122