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 ... , TS16949,Mill Test Certificate EN10204/3.1BStandardASTM A53( A,B) ,ASTM A106, ASTM A179, ASTM A192, ASTM 210, ASTM A213ASTM A209, DIN 1629, DIN 17175, BS3059 ...