◦ Umgangatho wokuphunyezwa: GB/T1222-2007.
◦ Ubuninzi: 7.85 g/cm3.
• Ukwakhiwa kweekhemikhali
◦ I-Carbon (C): 0.62% ~ 0.70%, inika amandla asisiseko kunye nokuqina.
◦ I-Manganese (Mn): 0.90% ~ 1.20%, ukuphucula ukuqina kunye nokuqinisa ukuqina.
◦ I-Silicon (Si): 0.17% ~ 0.37%, ukuphucula ukusebenza kokucubungula kunye nokucoca iinkozo.
◦ I-Phosphorus (P): ≤0.035%, isulfure (S) ≤0.035%, ukulawula ngokungqongqo umxholo wokungcola.
◦ I-Chromium (Cr): ≤0.25%, i-nickel (Ni) ≤0.30%, ithusi (Cu) ≤0.25%, i-alloying elements, inceda ekuphuculeni ukusebenza.
• Iimpawu zoomatshini
◦ Amandla aphezulu: Amandla e-tensile σb yi-825MPa~925MPa, kwaye enye idatha ingaphezulu kwe-980MPa. Inomthamo obalaseleyo wokuthwala kwaye ifanelekile kwiimeko zoxinzelelo oluphezulu.
◦ I-elasticity enhle: Inomda ophezulu we-elastic, inokumelana ne-elastic deformation enkulu ngaphandle kokuguqulwa okusisigxina, kwaye inokugcina ngokuchanekileyo kunye nokukhulula amandla.
◦ Ubunzima obuphezulu: Emva kokunyangwa kobushushu, inokufikelela kwi-HRC50 okanye ngaphezulu, kunye nokumelana okuphawulekayo kokugqoka, okufanelekileyo kwiimeko zokugqoka.
◦ Ukuqina okulungileyo: Xa iphantsi kwemithwalo yempembelelo, inokuthatha umlinganiselo othile wamandla ngaphandle kokuphuka kwe-brittle fracture, okuphucula ukuthembeka kunye nobomi benkonzo phantsi kweemeko ezinzima.
• Iimpawu
◦ Ukuqina okuphezulu: I-Manganese iphucula kakhulu ukuqina, ilungele imithombo yokuvelisa kunye neendawo ezinkulu ezinobubanzi obungaphezulu kwe-20mm.
◦ Ukuthambekela okuphantsi kwe-surface decarburization: Umgangatho ongaphezulu uzinzile ngexesha lonyango lobushushu, ukunciphisa umngcipheko wokungaphumeleli kwangaphambili.
◦ Uvakalelo lobushushu obugqithisileyo kunye nobushushu bobushushu: Ubushushu bokucima kufuneka bulawulwe ngokungqongqo, kunye noluhlu lweqondo lobushushu obunqabileyo kufuneka buphetshwe ngexesha lobushushu.
◦ Ukusetyenzwa kakuhle: kunokwenziwa kwaye kufakwe i-welded, ilungele ukwenza iindawo ezinokwakheka okuntsonkothileyo, kodwa iplastiki ye-deformation ebandayo iphantsi.
• Iinkcukacha zonyango lobushushu
◦ Ukucima: Ukucima ukushisa kwe-830℃±20℃, ukupholisa ioli.
◦ Ubushushu: Ubushushu bobushushu 540℃±50℃, ±30℃ xa kukho iimfuno ezikhethekileyo.
◦ Ukulungelelanisa: Ubushushu 810±10℃, ukupholisa umoya.
• Iindawo zokufaka izicelo
◦ Ukwenziwa kwentwasahlobo: okufana nemithombo yamagqabi emoto, imithombo yokufunxa ukothuka, imithombo yevalvu, iingcongolo zeclutch, njl.
◦ Amalungu omatshini: anokusetyenziswa ukwenza izinto ezinomthwalo ophezulu, ezikhubekisayo kakhulu njengeegiya, iibheringi kunye neepistons.
◦ Izixhobo zokusika kunye nesitampu ziyafa: usebenzisa ubulukhuni bayo obuphezulu kunye nokumelana nokuguga, ingasetyenziselwa ukwenza izixhobo zokusika, ukunyathela kufa, njl.
◦ Izakhiwo kunye neebhulorho: zingasetyenziselwa ukwenza amacandelo aphakamisa ukuthwala umthamo wezakhiwo, ezifana neebheringi zeebhulorho, izixhaso zezakhiwo, njl.
Ixesha lokuposa: Jul-18-2025