PIPE 1.size :DN15-3000 2.WT:3-50 3.Material:GR.B 16mn Q235 Q345 ST35.8 ... DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISOmaterialCarbon steel(ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20 ... #,A3, Q235A, 20G,16Mn, ect)Stainless steel(ASTM A403 WP304,304L,316,316L,321. 1Cr18Ni9Ti ... acquired the license for manufacturing special pressure Pipline equipments from AQSIQ , API and became a member of first ...