... 7,1.2365,3Cr5Mo3SiV For Cu press mould , good heating stabilityHot Work Die Steel H10,SKD-7,1.2365,3Cr5Mo3SiVFor Cu ... press mould , good heating stabilityChemical composition:C 0. ... aviation, aerospace, petroleum, die and mould manufacturing industries, and developed a great variety of new die steel materials together with both sides ...