... :from 24" to 96"( or as customer requirements)anglestructure pipe oil pipe thicknessSCH10,SCH20,SCH30,STD SCH40, SCH60, XS, SCH80., ... -75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISOmaterialCarbon steel(ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3, Q235A, ... license for manufacturing special pressure Pipline equipments from AQSIQ , API and became a member of first – grade supply network ...