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20CrMo letlapa la tšepe le chesang
20CrMo letlapa la tšepe le chesang
20CrMo letlapa la tšepe le chesang
20CrMo letlapa la tšepe le chesang

20CrMo letlapa la tšepe le chesang

20crmo Alloy Steel Bar e sebelisoa haholo ho etsa li-tube tsa khatello le sehatsetsi se sa cheng, sebaka sa nitrogen hidrogen 'me se sebetsa ka tlas'a 250°C, joalo ka li-vane, baffle, forging le rolled section in turbine le boiler, likarolo tsa bohlokoa tsa carburing tse tšoanang. mochini.
Kenyelletso ea sehlahisoa
litšepe tse pota-potileng li sebelisoa haholo ho etsa mechini, ho etsa li-autombile, seporo, mechini ea morafo, mochini oa petoleum, metjhini ea temo le meaho ea sechaba joalo ka mefuta eohle ea li-shafts, li-screw, lithupa tse hokelang, lisebelisoa tsa hardware, likere, likarolo tse tloaelehileng, li-spanners fasteners, moralo. likarolo tsa mechini ea makoloi le ea temo, matsoho a ka ntle le a kahare, lirolara le libolo bakeng sa ho beleha.
GB 20CrMo steel ke mofuta wa tshepe ya alloy ya China bakeng sa boenjineri le morero wa sebopeho sa motjhini, seo hangata se sebedisetswang ho tima kapa ho futhumatsa kapa ho kenya carburizing le ho tima. Thepa ea 20CrMo e na le matla a phahameng a mocheso, ho thatafala hantle, ha ho na bohale bo bobebe, polasetiki e batang e batang, machinability e ntle le ho cheseha.
Lintlha tsa tekheniki
20crmo Alloy Steel Bar Chemical Composition
Kereiti C Si Mong P S Kr Mo
20CrMo 0.17-0.24 0.17-0.37 0.40-0.70 ≤0.030 ≤0.030 0.80-1.10 0.15-0.25
Thepa ea Mechini:
Matla a tšepe
σb (MPa)
Kotulo Matla
σs 0.2 (MPa)
Elongation
δ 5 (%)
Phokotso ea sebaka sa crosssection
ψ (%)
Mosebetsi oa Ballistic
Akv (J)
Boleng ba ho toughness
αkv (J/cm2)
Ho thatafala (HB) Boholo ba Mohlala
Min 835 Min 540 Mets 10 Mets 40 Min 47 Min 59 Boholo ba 179 15 limilimithara
Lisebelisoa

20CrMo alloy steel e sebelisoa ha ho etsoa mecha ea litaba e sa senyeheng ka lisebelisoa tsa lik'hemik'hale le liphaephe tse phahameng tsa khatello, li-fasteners, li-turbine tsa mouoane, li-boiler blades le forgings tse nang le mocheso o sebetsang o ka tlase ho 250 ° C, le likarolo tsa bohlokoa tsa carburizing tse kang likere le shafts ka mechine e akaretsang. . E ka boela ea sebelisoa sebakeng sa tšepe ea 1Cr13 ho etsa khatello e mahareng, li-turbine tsa mouoane o tlase sebakeng se matla sa khatello ea mouoane.

Tlhaloso ea Phekolo ea Mocheso

  • Mocheso oa pele oa ho tima mocheso: 880 °C (Setsi sa ho tima: metsi, oli)
  • Mocheso o futhumatsang oa ho futhumatsa: 500 ° C (ente - metsi, oli)

Mephato e lekanang

20CrMo thepa e lekanang le US ASTM, Europe Germany DIN EN, British BS EN, France NF EN, Japanese JIS, le ISO standard. (Bakeng sa litšupiso)

20CrMo tšepe e lekanang
China usa Jeremane Japane Fora UK ISO
Standard Kereiti Standard Kereiti Standard Kereiti (Nomoro ea tšepe) Standard Kereiti Standard Kereiti (Nomoro ea tšepe) Standard Kereiti (Nomoro ea tšepe) Standard Kereiti
GB/T 3077 20CrMo AISI SAE;
ASTM A29/A29M
4120 DIN EN 10083-3 25CrMo4 (1.7218) JIS G4053 SCM420 NF EN 10083-3,
NF A35-551
25CrMo4 (1.7218),
18CD4
BS EN 10083-3,
BS 970 Karolo ea 1
25CrMo4 (1.7218),
708M20
ISO 683-1 18CrMo4
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