Boiler and pressure steel plate( A515. A517). A514, A517, A515, A516 Pressure vessel steel plate\pressure vessel plate Size:T 10-150mm W 1500-3000mm T 3000-12000mmStandard: GB,ASTM,DIN,JIS,EN, Pressure vessel steel plates A515,A516,A537 and A387 have good weld-ability as well as excellent toughness, are mainly used to manufacture boilers, drums, pressure or steam piping, industrial thermal ...