ASTM A1045 Peipi ea tšepe ea Mohahoka kakaretso e sebetsa ho thepa ea seamless tšepe pipe.Seamless tšepe pipe e arotsoe ka GB8162 le GB8163, e leng litekanyetso tse peli tse sebelisoang ka tloaelo Chaena.Leha ho le joalo, ASTM A1045Pipe ea tšepe ea Mohahoe na le GB8162 feela, e leng thepa e sebelisoang hangata bakeng sa machining.
Pipe ea tšepe ea ASTM A1045 ke phala ea tšepe e atisang ho sebelisoa ka har'a carbon e timang le e halefileng e nang le thepa e ntle ea mochini, e thata e tlase ebile e bonolo ho petsoha nakong ea ho tima metsi.Likarolo tse nyane li lokela ho tingoa le ho halefa, 'me likarolo tse kholo li lokela ho tloaeleha, haholo-holo tse sebelisoang ho etsa likarolo tse tsamaeang tse matla, joalo ka turbine impeller le compressor piston.Shaft, gear, rack, worm, joalo-joalo.
ASTM1045 carbon steel pipee na le hoo e ka bang 0.45% ea carbon, palo e nyenyane ea manganese, silicon, joalo-joalo, le sebabole se tlaase le phosphorus content ea phala ea boleng bo phahameng ba carbon structural steel.
Mocheso oa mocheso oa mocheso: normalizing 850, quenching 840, tempering 600. ASTM1045 tšepe ke tšepe ea boleng bo phahameng ba carbon e nang le boima bo tlaase 'me e bonolo ho e khaola.Hangata hlobo e sebelisoa e le litempele, lithakhisa, litšiea tsa tataiso, joalo-joalo, empa e tlameha ho phekoloa ka mocheso.1. ASTM1045 tšepe e tšoaneleha haeba boima ba eona bo le boholo ho feta HRC55 (ho fihlela ho HRC62) ka mor'a ho tima le pele e halefisa.Bothata bo phahameng ka ho fetisisa ts'ebetsong e sebetsang ke HRC55 (high-frequency quenching HRC58).2. Mokhoa oa ho phekola mocheso oa carburizing le ho tima o ke ke oa sebelisoa bakeng sa tšepe ea ASTM1045.Likarolo tse tingoeng le tse halefileng li na le thepa e ntle ea mochini o felletseng 'me li sebelisoa haholo likarolong tse fapaneng tsa bohlokoa tsa sebopeho, haholo-holo lithupa tse hokelang, liboutu, likere le li-shafts tse sebetsang tlas'a meroalo e fapanyetsanang.Leha ho le joalo, boima ba bokaholimo bo tlase ebile ha bo mamelle.Ho thatafala ha bokaholimo ba likarolo ho ka ntlafatsoa ka ho tima le ho futhumatsa + ho tima sefahleho.Kalafo ea Carburizing hangata e sebelisoa bakeng sa likarolo tse boima tse nang le khanyetso ea holim'a abrasion le ts'usumetso ea mantlha, 'me khanyetso ea eona ea abrasion e phahame ho feta ea ho tima le ho futhumatsa + holim'a metsi.Likahare tsa eona tsa carbon ke 0.8-1.2%, 'me motheo oa eona ka kakaretso ke 0.1-0.25% (0.35% maemong a khethehileng).Kamora kalafo ea mocheso, bokaholimo bo ka fumana boima bo phahameng haholo (HRC58-62), 'me motheo o na le boima bo tlase le ho hanyetsa tšusumetso.Haeba tšepe ea ASTM1045 e sebelisetsoa carburizing, martensite e thata le e brittle e tla hlaha bohareng ka mor'a ho tima, e lahleheloa ke melemo ea phekolo ea carburizing.Hajoale, litaba tsa khabone ea lisebelisoa tse amohelang ts'ebetso ea carburizing ha li phahame, 'me matla a mantlha a ka fihla holimo haholo ka 0.30%, e leng seoelo ho sebelisoa.0.35% ha e so bone mehlala leha e le efe, 'me e e tsebisitse feela libukeng tsa thuto.Ts'ebetso ea ho tima le ho futhumatsa + ho tima sebaka se phahameng sa maqhubu a holimo ho ka sebelisoa, 'me khanyetso ea ho roala e mpe hanyane ho feta ea carburizing.Sistimi e khothalletsoang ea kalafo ea mocheso bakeng sa tšepe ea 45 e boletsoeng ho standard ea GB/T699-1999 ke 850 ℃ normalizing, 840 ℃ quenching le 600 ℃ tempering.Thepa e fihletsoeng ke hore matla a tlhahiso ke ≥ 355MPa.Matla a matla a tšepe ea 45 e boletsoeng ho standard ea GB/T699-1999 ke 600MPa, matla a tlhahiso ke 355MPa, bolelele ke 16%, phokotso ea sebaka ke 40%, mme matla a tšusumetso ke 39J.
Nako ea poso: Sep-24-2022