plastic mould steels
Product Details
MATERIAL CHEMISTRY APPLICATION HEAT TREATMENT DETAILS AISI/ASTM EN DIN JIS C Si Mn S Cr Mo Ni Annealing(Slow Cooling) Quenchent(Hot Bath) Quenching Tempering Annealed(hb)-max Quenched & (hrc) Tempered Supply Condition P20 40CrMnMo7 1.2311 0.4 0.3 1.5 1.9 0.2 Mould frames, plastic moulds <400mm 720-750 OIL/AIR 850-880 600-680 240 300 H & T 280-320BHN P20+Ni 40CrMnNiMo864 1.2738 0.4 0.3 1.5 2 0.2 1.1 Large, medium sized moulds for general mechanical engg. and tool manufacture. 720-740 OIL/AIR 850-880 710-740 240 300 H & T 280-320BHN P20+S 40CrMnMoS86 1.2312 0.4 0.3 1.5 0.07 1.9 02 Moulds requiring good machinability, uniform hardness 740-760 OIL/AIR 840-870 600-680 240 300 H & T 280-320BHN 36CrMo17 1.2316 0.36 0.4 0.65 16 1 .8 Excellent corrosion resistant, for chemically aggressive compounds. 780-820 OIL 1000-1040 600-700 235 300 H & T 280-320BHN 420 42Cr13 1.2083 SUS420J2 0.42 0.7 0.45 14 0.6 Moulds for corrosive plastics and thermo plastics. 840-870 OIL 1000-1050 250-570 200 53HRC ANNEALED P21 Hitachi CENAI patent pending Rust resistant moulds with sensitive surface as mirror polishing crepiz, tdm (ok electronics, transparent case etc) H & T 370 to 400 BHN
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