... ISO Certificate Good quality and price for mould steel 718/1.2738/P20+Ni plastic mould steel1,Tech:Forged2,Process:EAF+LF ... :Used for large and medium mould,presion mould,larged mirror plastic mould,mould cavity etcChemical composition: CSiMnMoCrNi0.28~0.400.20 ... available,just attached the drawing. 718/1.2738/P20+Ni Plastic mould steel