... :0.5mm-30mm 2.Grade:304,304L,321,F321,316,316L 3.Standard:GB,DIN,AISI,,ASTM, ... Outside Diameter: 3.18mm-630mm, Wall thickness: 0.5mm -30mm Standard: ASTM, JIS, DIN, EN, GB/T,etc. Cold ... packing NameSeamless Stainless Steel PipeOD size Φ3-630mmThickness 0.5mm-30mmStandardGB/9948-88, GB/T13296-91,GB ... T14976-2002,GB/T14975-2002,ASTM A312/A312M, ASTM, A213/213A, ASTMA269/269M, ASTM A688/A688M,DIN 17456;DIN ...