... ,304L,316,316L,317L,310S,321,347,S30813 Stainless Steel Precision Tube: Standard: ASTM A213,A269,A511,A312,A270 Grades:TP304 ... Dimension for customers critical needsFinish Condition: Bright Annealed, Polishing, Mirror.Inner Surface Roughness control Ra 0.4 Max at any point ...