20 # lakane ea tšepe e kolobisitsoeng e chesang

1 Tšepe e na le matla a tlase, toughness e ntle, polasetiki le weldability. Matla a tensile ke 253-500MPa, 'me bolelele ke ≥24%.
Thepa ea 20 ha e le hantle e tšoana le ea tšepe ea 15, empa matla a phahame hanyane. Lisebelisoa: tse loketseng bakeng sa ho etsa likarolo tse nyane le tse mahareng tsa carburizing le carbonitriding tse seng bohlokoa bakeng sa kaho ea likoloi, literekere le mochini o akaretsang, joalo ka lieta tsa handbrake, lever shafts, lifereko tsa lebelo la gearbox, likere tsa phetisetso le li-Camshaft tsa literekere, ho emisoa li-shafts tsa ho leka-lekana, lihlahla tse ka hare le tsa ka ntle, joalo-joalo; e sebelisetsoang ho etsa likarolo tse fapaneng tsa mochini tse sa hatelletsoeng empa li hloka boima bo phahameng tlas'a maemo a chesang kapa a tloaelehileng; mecheng e boima le e mahareng e etsang Medium, joalo ka lithupa tse tiisitsoeng kapa tse hatelitsoeng, mahlaahlela, li-levers, li-sleeve, li-clamp, joalo-joalo. indastering ea tlhahiso ea mochini oa mouoane le boiler, e sebelisoa haholo bakeng sa liphaephe, li-flange, lihlooho le li-fasteners tse fapaneng. ho sebetsa mecheng ea litaba e sa senyeheng ka khatello ea ≤6N / square le mocheso oa ≤450℃; e sebelisoang ho etsa lifapano liporong, literene le makoloi.
Ho tloaeleha ho ka khothaletsa spheroidization ea tšepe, ho hloekisa proeutectoid ferrite e kholo, le ho ntlafatsa ts'ebetso ea ho seha ha sekheo se ka tlase ho 160HBS.
Tsela ea tšebetso ea likarolo tsa tšepe ke: ho koala → ho koala sekheo → ho koala → ho sebetsa ka thata → ho bopeha ka mokhoa o batang → ho bopeha ho batang → ho kopanya bocha → ho phethela ha mochini → ho koala → ho tima, ho futhumatsa → ho sila le ho bentša →kopano.
(2) Boemo ba ho fana le ho thatafala Boemo bo sa chesang, boima ≤156HBS.

Motsoako oa lik'hemik'hale oa tšepe e tloaelehileng ea JB/T 6057-92 (karolo ea boima, %).

C	Si	Mong	P	S	Ni	Kr	Cu
0.17~0.23	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.30	≤0.25	≤0.25

Thepa ea mechine
(5) Mohato oa phetoho ea mocheso (boleng bo hakanyetsoang) Ac1=735℃, Ac3=855℃, Ar3=835℃, Ar1=680℃
(6) Tlhaloso e tloaelehileng Mocheso ke 920 ~ 950 ℃, 'me sebōpi ke moea o pholileng. Ho thatafala ke 131 ~ 156HBS.
(7) Tlhaloso ea ho nolofatsa phekolo ea likheo tse hatelitsoeng tse batang Mocheso ke 700 ~ 720 ℃, nako ea ho ts'oara ke 8 ~ 15h, 'me sekhahla sa ho pholisa ke 50 ~ 100℃/h,' me mocheso o theohela ho 550 ~ 600 ℃ ka sebopi, 'me sebōpi se pholile moea.
Bothata pele ho phekolo ke ≤143HBS, 'me boima ka mor'a ho nolofatsa ke ≤131HBS.
(8) Tlhaloso ea ho tima Mocheso oa 910℃±10℃, o pholile ka 10% NaCl brine.
(9) Matla a tlhahiso a lekantsoeng fy=245Mpa, elastic modulus E=206Gpa, karolelano ea Poisson ν=0.3.
(10) Matla a ho kuta ke 275 ~ 392MPa, matla a ho tsitsa ke 253 ~ 500MPa, matla a ho hlahisa ke 275MPa, 'me bolelele ke 25%.
(11) Mocheso oa mocheso ke likhato tse 600-650 feela, 'me nako ea ho tšoara ke 1-2h.

Litšebeletso tsa rona tsa bar e potolohileng :

1. Haeba o fumana bothata bofe kapa bofe ba boleng ka mora ho fumana thepa, o ka ikopanya le rona, re tla laola le ho o araba ka mora dihora tse 12 .

2.Re femethari ea SS Round bar,bokhoni bo botle ka ho fetesisa ba tlhahiso, taolo ea boleng bo holimo, Tšebeletso e Molemohali .

3.E hlahlojoa ke Setheo sa Tekolo tsa SGS kapa ISO

4.100% tlhahlobo ea QC Pele ho Romeloa.

Haeba u na le lipotso, ka kopo ikopanye le rona ka nako.