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| Published：2011.07.26 News Sources： Views： | |||
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SKS8 Japan Cold Work Die Steel (1) the characteristics of Japanese die steel alloy tool steel, the steel has a carbon component, in order to ensure a high hardness and wear resistance. Adding alloying elements Cr, to improve the steel hardenability, resistance to tempering, heat rigid and wear resistance. However, the steel hardenability poor, brittle. (2) Japanese Standard JIS G4401 (1983) The chemical composition (mass fraction,%) C 1.30 ~ 1.50, Si ≤ 0.35, Mn ≤ 0.50, Cr 0.20 ~ 0.50. (3) refer to the corresponding steel China GB standard steel Cr06, China's Taiwan CNS standard steel SKS8, Japan's JIS standard steel SKS8, Korean KS standard steel STS8, the German DIN standard steel 140Cr3, the German DIN standard material number 1.2008, French NF standards steel 130Cr3, Russia ΓOCT standard steel X05. (4) start temperature thermal processing specification 1050 ℃, the termination temperature of 850 ℃. (5) ordinary quenching and tempering standard quenching temperature 780 ~ 810 ℃, water quenching, tempering temperature 160 ~ 180 ℃. (6) Typical Application Examples ① mainly used for cutting tools. ② Impact tool and part of the cold mold |
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