lehlabathe-turned casting bolo tšilo lahla likarolo .
QT450-10 .
Qt 450-10 e bontšha maatla a go robega a 450MPa le 10% elongation. BEITE e bopilwe ka ferrite le carburization, yeo e lego setšweletšwa sa tshekatsheko ya go dirišana ya austenite. go hwetša thata ya pearite e nnoši, e swanetše go lekantšhwa go tšwa go karolo ya tshekatsheko ya go swana le ya go swana le ya go swana le ya tšhipi Steel le dikahare khabone ka tlase ho 0.0218%.
Maemo: GB / T1348-2009 (go e na le GB / T 1348-1988) .
● Dika le bogolo bja tirišo:
Ferrite mofuta ductile lahletsoeng tšepe, phahameng thata le polasetiki. Ka thempereichara e tlaase, thata e fetoha ho brittleness, empa boleng ba tšusumetso ea thempereichara e tlaase e phahameng, 'me ho na le ho hanyetsa itseng ho mocheso o hlobaetsang phetoho le ho hanyetsa ho tšilafatsa . E sebediswa haholo bakeng sa go lema, kholomo ya kholomo, matlo a phapang ka mechine ea li-valve, e phahameng le kakaretso ea kakaretso ea kakaretso ea kakaretso, le bakeng sa kakaretso ea kakaretso, le bakeng sa kakaretso ea kakaretso, le bakeng sa tšepe.
● Sebopego sa dikhemikhale: .
Khapone C: 3,70 ~ 4,00% .
Silicon Si: 2,15 ~ 2 93% .
Mn Mn: 0.46 ~ 0 6 6 6 % .
Sulphur S: 0,010 ~ 0 , 0 1 6 % .
Phosphorous P: 0,027 ~ 0 , 0 0 3 5 5 % .
Magnesium Mg: 0,027 ~ 0,050% .
Tombarthite re:
Go lekana le khapone: 4.3 ~ 4.6.
● Thepa ya mochine: .
Matla a go goga σ B (MPA): 450 .
Boemo kuno matla matla σ 0.2 (MPA): 250 .
Sekhahla sa ho telefa Δ (%): 10 .
Go thatafala: 160 ~ 210 HB .
● Ga tlhaloso ya kalafo ya phišo le mokgatlo wa metallographic:
Gatofatšo ya kalafo ya phišo: Lahlela goba go tuka ga molelo .
Dinama tse nyenyane tse alographic: Cast: Graphite + ferrite (matrix dinama tse nyenyane tse) + pearlite .
Mollo o mobotse: Graphite + Dipheta tše dingwe + Ferrite, e ka hwetša dithoto tša metšhene tše di feletšego tše di feletšego, kudukudu polasetiki le kaonafatšo ya go thatafala.
QT600-3 .
Lebitso la thepa: Ductile tšepe .
● Dika le bogolo bja tirišo:
Bead leseli 'mele mofuta ductile lahletsoeng tšepe, le mahareng le phahameng matla, mahareng thata le polasetiki, phahameng akaretsang tshebetso, molemo apara ho hanyetsa le thothometsa damping, tshebetso e ntle ea ho lahla tshebetso. E ka fetola tshebetso lona ke dikalafo tse fapa-fapaneng mocheso. haholo-holo sebediswa bakeng sa mefuta eohle ea matla a matla mochine crankshaft, camshaft, hokela likarolo tse ling, gear, clutch crall, hydrauc cylinder, hydrauc cylinder, hydraulic, hydraulic, hydraulic, hydraulic, hydraulic, hydraulic, crallulic, qetellong, hydraulic crankulic.
● Sebopego sa dikhemikhale: .
Khapone C: 3.0 ~ 3.5 .
Silicon Si: 2,4 ~ 2 ,8 .
Mn M n: 0.3 ~ 0 , r e d .
Sebabole S: 0,03 ~ 0,035 .
Phosphorus P: .<0.1
Magnesium Mg: 0,045 ~ 0,05 .
Ela hloko: RXOY: 0,033 ~ 0,049 .
● Thepa ya mochine: .
Matla a go goga σ B (MPA): 600 .
Boemo kuno matla matla σ 0.2 (MPA): 370 .
Sekhahla sa ho telefa Δ (%): 3 .
Go thatafala: 190 ~ 270 HB .
Kitlano: 7.3 ka T / M kapa G / CM .
● Ga tlhaloso ya kalafo ya phišo le mokgatlo wa metallographic:
Mocheso kalafo ga tlhaloso: (E laolwa ke mofani wa thepa, e latelang ke mocheso kalafo ga tlhaloso ya sampole, bakeng sa referense) 930 tekanyo , 2H positive go tuka ga molelo moea tsidifatso, 600 tekanyo , 2h, tempering moea tsidifatso
Mokgatlo wa Alographic: Pearlite + Ferrite. .
Dithegi tše di fišago .: lehlabathe-turned casting bolo tšilo lahla likarolo, china lehlabathe-turned casting bolo tšilo lahla likarolo bahlahisi, bafepedi, fektheri
