... plate:HIC, SSC, SPWHT, Macrostructure, detection of defects,Hardness and DWTT test ,en10204/3.1 ... . Pipeline steel plate are rolled according to API standard,used to fabricate large diameter welded pipes ... for Pipeline steel plate: Welding included ERW,SSAW and LSAW.For getting more information for pipeline ... us: STANDARD STEEL GRADEAPI 5L PLS1 / PLS2 X52,X56,X60,X65,X70,X80 API 5L PLS1 / PLS2 X60steel ...