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194 ^1198 tr -sf=q ^! zl= ^Jgq^]el ,J+ 4gCg zlzlz)"J 400C= HgE ztEzl di} z]6}gt .Ig CE'luulzlZl €4. +ECe AEg ge+ =aoll^'l "JC+ +Bql +"J6lq +r+ {rtlz) 6E= Aol= +e6}q +FCg vJzI6J+. C, Si, p, Mn F9 aJ-,?=3tol Bg ++ ++Col +olzl+ s= ++Cg +lurll +tr}. 2. HEi +E -H-F id(common srade cast iron)g el+eg 4xa15 ?ts-e ElqlCtsg c s.z- 3.go/o, si 1.4-2.50/o, Mn0.4-r.00/o, p 0.3 -0.9o/o, s 0.060/o016.10lq, rzlg a=_ rJ^J+ E+ q4oles 9ol 9l=Eil 4t vJ4olE= gEL6I-7 914. 7)Al 7L+Col €t tloJ zlH6l.s-tr gqlzl4l+*, +E+, 7Ie*+, t7l+, *41 7lA)E uil=, 7)Al +=EE +d Fql r*ol ^I+€q. (-tr e-7)g El+a9 ++e+ 7)Al4 cag +4t z)eg., r-3+rlzl= B5 +4, 4-6+9 I.+ i?E +E+trI. 3. +g=E +E +^J+€ i?(spheroidal graphite cast iron)* gl4CB.l C3.4-4.2o/o, Si0.8-3.Go/o, Mn0.1 -0.7 o/o, P0.025 -lo/o, Si0.015 -0.2o/o, Mg0.04 - 0.08o/oC g ol 4 , + € 9l +^J+= S ol 49 deg *alla}€ +Bq +'; dql Mg, ce, ca FS tszlal€ +^J+-J 7)9 -tr +4^1, 7l-+c 'l rl]"IEdol ++* B"J olq+ zlEzl E_7, oJ^J, €C, 7l*C F"l ,tE Ceq Eli6I+. . -= oTr ,/a +4=E xlE(mm) ol^l7l.E L _ : o o! MPa(Kgf/mm2) -Bftr,\lE 718 o+ (HB) a4616(N) E(mm) 1 -4. lo )4. LO 2 -=. \,O 4= tr.=. .Jo 6= GC 1OO GC 150 GC 2OO GC 250 GC 3OO GC 350 30 30 30 30 30 30 100(10) 150(15) 200Q0) 250(25) 300(31) 350(36) 0 0 0 0 0 0 /\l' o I o tAt lo l' o t' o I o 7,000 oldf 9,000 0lg 9,000 0lg 10,000 018 11,000 018 12,000 olal 3.5 o 4.0 0 4.5 0 5.0 o 5.5 0 5.5 0 I o /\I o I o I o I o /\l o 201 212 223 241 262 277 0 0 0 0 0 0 6l 6l 6f 6l 6l al
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3. 구상혹연 주철
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2. 보통 주철
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3. 구상혹연 주철
206page

2. 보통 주철
206page

3. 구상혹연 주철
206page

2. 보통 주철