... elements,pipe fittings,netware VarietyOD(mm)WT(mm)GradeStandardApplicationStructure pipe140-3406-3520#,35#,45#,Q345,Q345BQ345C,Q345D,Q345E, ... T8162Machine elements,pipe fittings,netware 140-340 6-35 35#,45#,27SiMn,20SiMn4,30CrMo4 GB/T17396Mining machinery ... 15CrMo GB6479Chemical fertilizer equipmentsAutomobile axle housing tube76-12110-35 carbon steel ,alloy steel YB/T5035 AutomobileCylinder ...