316 EFW stainless steel pipe 1. Standard: ASTM, AISI,JIS, DIN 2.OD 14-630mm W.T 2.5-55mm 3. Surface: 2B, No.1 316 EFW stainless steel pipe1. Standard: ASTM, AISI,JIS, DIN 2.OD 10-630mm W.T 0.5-55mm3. Surface: 2B, No.1 et4. Material:201,202,301,302,303,304,304L,309,310,316,321,410,410S,420,420J1,430,304F,316L, 316F,316Ti,310s,314,314l,317,317l,302HQ. 400series:416,410,420,420J2,430,430F,4315.USE: ...