35CrMo alloy steel pipe moetsi oa thekiso ea tiisetso
35CrMo ke palo e boletsoeng ea tšepe e entsoeng ka alloy (alloy quenched and tempered steel), e sebelisoang haholo ho etsa likarolo tsa bohlokoa mecheng e fapaneng e nang le tšusumetso, ho kobeha le ho fufuleloa le mojaro o phahameng. Khoutu e kopaneng ea dijithale ea 35CrMo alloy structural steel (alloy quenched and tempered steel) ke a30352, mme maemo a phahameng ke GB / t3077-2015
35 krmo
35CrMo (maqephe a mabeli)
Italy: 35crmo4
NBN: 34crmo4
Sweden: 2234
Tekanyetso ea letsatsi le letsatsi: scm432 / sccrm3
E sebelisoa ho etsa likarolo tsa bohlokoa mecheng e fapaneng e nang le tšusumetso, ho kobeha le torsion le mojaro o phahameng, joalo ka herringbone gear, crankshaft, hamore rod, molamu o kopanyang le li-fasteners tsa leloala la tšepe, shaft e kholo le axle ea enjene ea turbine ea mouoane, phetisetso ea enjine. likarolo, shaft e kholo ea motor, perforator mochining oa peterole, liboutu tsa boiler tse nang le mocheso o sebetsang o tlase ho 400 ℃, linate tse nang le mocheso o sebetsang o tlase ho 510 ℃, khatello e phahameng e se nang moeli oa lebota (mocheso 450 ~ 500 ℃, ha ho na mokhoa o senyang) mochining oa lik'hemik'hale. ; E ka boela ea nka sebaka sa 40crni bakeng sa ho etsa shaft ea phetisetso ea mojaro o phahameng, rotor ea enjene ea mouoane, lisebelisoa tse kholo tsa karolo, shaft ea tšehetso (bophara bo ka tlase ho 500mm), joalo-joalo; Lisebelisoa tsa lisebelisoa tsa ts'ebetso, liphaephe, lisebelisoa tsa welding, joalo-joalo.
E sebelisoa e le likarolo tsa bohlokoa tsa sebopeho tse sebetsang tlas'a mojaro o phahameng, joalo ka likarolo tsa phetisetso ea likoloi le lienjineri; Rotor, shaft e kholo, shaft ea phetisetso e boima le likarolo tse kholo tsa jenereithara ea turbine ea mouoane.
Khabone C: 0,32 ~ 0,40
Silicon Si: 0.17 ~ 0.37
Mon: 0,40 ~ 0,70
Sulfur s: litaba tse setseng tse lumelletsoeng ≤ 0.035
Phosphorus P: litaba tse setseng tse lumelletsoeng ≤ 0.035
Kr: 0.80 ~ 1.10
Nickel: litaba tse setseng tse lumelletsoeng ≤ 0.30
Copper Cu: litaba tse setseng tse lumelletsoeng ≤ 0.30
Mo: 0.15 ~ 0.25
Matla a tiileng σ b (MPa): ≥985(100)
Matla a tlhahiso σ s (MPa): ≥835(85)
Elongation δ 5 (%): ≥12
Phokotso ea sebaka ψ (%): ≥45
Matla a amang Akv (J): ≥ 63
Boleng ba tšusumetso α kv (J/cm²): ≥78(8)
boima: ≤ 229hb
Saese ea mohlala: boholo bo se nang letho ba sampole ke 25mm
Tlhaloso ea phekolo ea mocheso le sebopeho sa metallographic
Tlhaloso ea phekolo ea mocheso: ho tima 850 ℃, ho futhumatsa oli; Ho futhumatsa 550 ℃, ho futhumatsa metsi, ho futhumatsa oli.
Kereiti ea tšepe: 35CrMo
Mohlala o se nang letho oa boholo / limilimithara: 25
Phekolo ea mocheso | ho tima | mocheso o futhumatsang / ℃ | ho tima ha pele: 850
Phekolo ea mocheso | ho tima | mocheso o futhumatsang / ℃ | phutuho ea bobeli: --
Phekolo ea mocheso | ho tima | pholiso: Oli
Phekolo ea mocheso | bohlanya | mocheso o futhumatsang / ℃: 550
Phekolo ea mocheso | bohlanya | pholileng: metsi, oli
Thepa ea mechine | matla a matla σ b/MPa|≥: 980
Thepa ea mechine | ntlha ea lihlahisoa σ s/MPa|≥: 835
Thepa ea mechine | bolelele δ 5(%)|≥: 12
Thepa ea mechine | ho honyetsa holimo ψ(%)| ≥:45
Thepa ea mechine | matla a ho monya matla Akv / J | ≥: 63
Boemo ba thomello boima HBS | ≥: 229
Boemo ba ho pepa: ho fana ka phekolo ea mocheso (ho tloaeleha, ho fokotsa mocheso kapa mocheso o phahameng oa mocheso) kapa boemo ba phekolo ea mocheso, 'me boemo ba ho pepa bo tla bontšoa tumellanong.
