The,SKD11,Japanese,tool,steel,grades,,Hitachi,and,Datong,steel,mills,have,a,production,,Hitachi,produced,the,SKD11,goods,called,the,SLD,(the,latest,improved,version,known,as,the,SLD-MAGIC),,Datong,steel,goods,called,DC11.,Both,have,set,up,factories,in,mainland,China,is,the,most,well-known,in,the,industry,,the,highest,price.,The,steel,is,widely,used,in,international,air-cooled,hardened,hot,work,die,steel.,Reconstituted,by,electric,furnace,smelting,by,the,electroslag,high,purity,,better,toughness,,uniform,organization,,has,good,high,temperature,strength,,toughness,and,resistance,to,high,temperature,fatigue,properties,,able,to,withstand,sudden,changes,in,temperature,,suitable,for,long-term,work,at,a,high,temperature,,excellent,cutting,and,polishing,performance,,the,quenching,temperature,of,1020,℃.,Is,the,best,material,for,production,of,large,,medium-sized,aluminum,die-casting,