20CrMnMo u'amea li'o fa'avili vevela

Fa'amama lelei galuega faatino, normalizing ina ua mavae se faatinoga tipitipi lelei, ina ua uma ona tinei ma fa'afefeteina ma mea lelei masini ma le maualalo o le vevela aafiaga faigata, ina ua uma carburizing maua le malosi flexural maualuga ma ofuina tetee, ae le lelei weldability, e mafanafana lelei i luma o le uelo, ina ua uma le uelo e tatau ia ita. E masani ona faʻaaogaina i le gaosiga o manaʻoga o le maualuga o le maaa, o le lelei o le ofuina o le teteʻe o vaega taua o le carburizing, e pei o mea faʻaoga, tootoo camshafts,

Fua'iga vaila'au:
Carbon C: 0.17 ~ 0.23
Si Si: 1.17 ~ 1.37
Mn Mn: 0.90 ~ 1.20
Sulfur S: e fa'ataga ai mea o totoe ≤0.035
Phosphorus P: e fa'ataga ai mea o totoe ≤0.035
Chromium Cr: 1.10 ~ 1.40
Ni: e fa'ataga ai mea o totoe ≤0.030
Cu: e fa'ataga ai mea o totoe ≤0.030
Mo Mo: 0.20 ~ 0.30
Meatotino Fa'ainisinia:
Malosi fa'amalosi σb (MPa): ≥1175 (120)
Malosi e maua σs (MPa): ≥885 (90)
Fa'aumi δ5 (%): ≥10
Fa'aitiitiga o le ψ (%): ≥45
Malosiaga a'afiaga Akv (J): ≥55
Malosi a'afiaga αkv (J / cm2): ≥69 (7)
Malosi: ≤217HB
Fa'ata'ita'iga tele: Fa'ata'ita'iga lapo'a e 15mm talatala
Fa'ata'ita'iga vevela ma fa'amatalaga microstructure:
Fa'amatalaga o togafitiga vevela: tineia 850 ℃, suau'u malulu; fa'afefeteina 200 ℃, fa'alili-vai, fa'alili-ea.
Microstructure: martensite ita.
Tulaga tu'uina atu: i le fa'afefeteina o togafitiga (fa'asalaina, fa'afefeteina po'o le fa'afefeteina) po'o le leai o le tu'uina atu o togafitiga vevela, e tatau ona fa'amaonia le tulaga tu'uina atu i le konekarate.