Steel Tube Standard: GB/T3639,8162,3087,ASTM A106,A192,BS3059,3601,3602,6323, DIN1629,1630, JIS G3454 Grade:1010, St12,040A10, Steel ... TubeWe are professional of supplying carbon structure steel cold draw and extruded tube seamless by ... 47,50By JIS:SPHD,SPCC,SPCD,SPCE3.Size: O/D 6-400mm Wall thickness 0.5-40mm4.Packing: exporting packing Steel Tube