... ,3601,3602,6323, DIN1629,1630, JIS G3454 Grade:1010, St Seamless Steel PipeWe are professional of supplying ... structure steel cold draw and extruded tube seamless by standard GB/T3639,8162,3087,ASTM A106 ... A192, BS3059,3601,3602,6323, DIN1629,1630, JIS G34541.Standard:GB/T3639,8162,3087,ASTM A106 ... JIS:SPHD,SPCC,SPCD,SPCE3.Size: O/D 6-400mm Wall thickness 0.5-40mm4.Packing: exporting packing Seamless ...