skd61,mold,steel,Overview
SKD61,is,a,Japanese,brand,of,hot,work,die,steel,grades,corresponds,to,China,(GB,/,T,1299-2000),4Cr5MoSi,the,V1,is,the,most,widely,used,hot,work,die,steel,,of,SKD61,corresponding, ,standard,of,H13,,South,Korea,is,the,STD61
,,,,,,,,SKD61,Tool,steel,is,a,silicon,,chromium,,molybdenum,,vanadium,and,medium-alloy,hot,work,die,steel,after,quenching,and,tempering,treatment,organization,is,fine,,moderate,grain,martensite,,basically,the,distribution,of,small,charcoals,good,mechanical,properties,and,hardenability,performance,,more,suitable,for,the,manufacture,of,large,size,and,complex,shape,of,the,mold.
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skd61,die,steel,factory,state
Supplier,status,and,hardness:,annealed,hardness,≤,229HBS.
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skd61,mold,steel,characteristics
1,of,SKD61,high,temperature,strength,and,toughness,,wear,resistance,is,better,,easy,cutting,
,,,,,,,,,,SKD61,is,a,good,strength,,toughness,and,heat,balance,of,the,hot,mold,steel,,with,the,isotropic,product,development,in,recent,years,increasingly,to,the,development,of,high,toughness,,it,can,make,the,mold,longer,life,,better,performance,stability,,and,ease,of,processing,,heat,deformation,small.
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skd61,mold,steel,use
SKD61,in,aluminum,,zinc,die-casting,mold,material,,the,most,extensive,,this,steel,contains,tungsten,composition,of,the,senior,high,temperature,alloy,steel,for,hot,work,,aluminum,,magnesium,,zinc,,copper,alloy,die,casting,,grooving,knife,,scissors,and,The,action,of,hot,forging,,plastic,mold,,hot,reamers,,rolling,knife,,general,hot,forging,dies,,hot,bolt,mold,,hot,tools.
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skd61,mold,steel,,heat,treatment
Quenching:
,,,,,,,,The,first,stage,of,preheating:,500,~,550,°,C
,,,,,,,,The,second,stage,of,preheating:,750,~,800,°,C
,,,,,,,,Quenching,or,high-pressure,gas,cooling,,100,~,150,°,C,into,the,tempering,furnace.
,,,,,,,,Tempering:
,,,,,,,,Preheat:,300,~,350,℃
,,,,,,,,Tempering,heating:,550,~,680,??℃
,,,,,,,,Air,cooled,to,room,temperature,,tempering,three,times.,Quenching,temperature