1.Cold Drawn seamless pipe 2.Variety sizes ASTM A179, A192, DIN17175, BS3059, A334 Gr.6 Seamless steel pipe:ASTM ... A179, A192, DIN17175, BS3059, A334 Gr.6 Certificate:ISO9001-2000,PED, API, TS16949; Mill ... 210, ASTM A213ASTM A209, DIN 1629, DIN 17175, BS3059-1, BS3059-2, JIS G3454, JIS G3461Material10#, 20#, 16Mn ... Mill Test Certificate EN10204/3.1B3) O.D: 1/2"-4"(19.05mm-114.3mm, NB10-NB100)4 ...