Kereiti:20 tšepe
Tloaelo:GB/T 699-1999

litšobotsi
Matla a phahame hanyane ho feta tšepe ea 15, ha e tingoe ka seoelo, ha ho na brittleness e batang e batang ea polasetiki e phahameng ka kakaretso bakeng sa ho koba calender flanging le ts'ebetso ea hamore, joalo ka arch arc welding le ho hanyetsa welding ts'ebetso e ntle ea welding, welding ha botenya bo nyane, ponahalo e thata kapa Sebopeho sa likarolo tse rarahaneng tse atisang ho qhekella ka ho itšeha mochini o batang o huleloa kapa o tloaeleha boemo ba annealing bo sebelisoang ka kakaretso ha ho etsoa matla ha bo boholo ebile bo boima bo phahameng.
Tšepe ke ea boleng bo phahameng ba tšepe ea carbon e tlase, e batang ea tšepe e thata ea carburized, tšepe e na le matla a tlase, boima bo botle, polasetiki le weldability, matla a thata a 355-500mpa, sekhahla sa bolelele ba 24%
Ho tloaeleha ho ka khothaletsa spheroidization ea tšepe, ho hloekisa block proeutectoid ferrite e kholo, le ho ntlafatsa ts'ebetso ea ho seha likheo tse ka tlase ho 160HBS.
Tsela ea thekenoloji eatshepelikarolo tse shoeleng ke: mochini oa ho lahla o se nang letho o hahang mochini o batang o batang oa extrusion molding recrystallization annealing mochini o motle oa machining carburizing quenching tempering grinding polishing assembly

sebopeho sa lik'hemik'hale
C: 0.17% ~ 0.24%
Boemo: 0.17% ~ 0.37%
Mon: 0.35% ~ 0.65%
S: 0.035%
P: 0.035%
Kr: 0.25%
Palo: 0.25%
Ka: 0.25
thepa ea mochini
Matla a tiileng B (MPa) : ≥410(42)
Matla a tlhahiso S (MPa) : ≥245(25)
Elongation 5 (%) : ≥25
Phokotso ea likarolo tsa sebaka (%) : 55 kapa ho feta
Ho thatafala: ha ho phekoloe mocheso,≤156HB
Saese ea mohlala: Saese ea mohlala: 25mm

lintlha tse ling

Tlhaloso ea phekolo ea mocheso: normalizing, 910 ℃, moea o pholileng.

Sebopeho sa Metallographic: ferrite + pearlite.
Phekolo ea mochesoea tšepe 20 le ho tima ho thatafala ha tšepe no.20:
Phekolo ea mocheso ea tšepe ea 20: Bakeng sa tšepe ea 20, hoa khoneha ho finyella boima bo tloaelehileng ba ho tima 30-35HRC.Hobane mocheso o futhumatsang o phahame, deformation ea quenching e kholoanyane.View:
1. Ka mor'a ho sebetsa ka thata, workpiece e tima ka kakaretso ka phekolo ea mocheso (920 ℃ quenched brine), ebe e sebetsoa. 'me ka ntle ho selikalikoe sa koloi, lokisa keyway.
2. E tšoanang kaba machining, ka hare lesoba holim quenching kapa tafoleng quenching keyway feela (ho itšetlehile ka boholo ba workpiece), 'me qetellong qeta.
3. Carburizing le quenching, sila lesoba ka hare le keyway.
Phallo ea ts'ebetso ke ea bobeli, ea boraro le e mengata.
● Boemo ba ho pepa: ho fana ka boemo ba ho se phekoloe ha mocheso kapa mocheso oa mocheso (annealing, normalizing kapa high heat tempering).Ho fana ka boemo ba phekolo ea mocheso ho tla bontšoa tumellanong.Haeba e sa bontšoa, ho tsamaisoa ho tla etsoa ntle lephekolo ea mocheso.