42Crmo Hlau Rau NoDular annealing txias taub hau ntawm cov khoom siv ntawm qhov chaw pib qhov chaw

Kev siv: xws li lub zog loj rau cov tsheb ciav hlau, tsheb kis tau, tsheb sib kis, tsheb nqaj hlau, tsis tshua muaj roj txuas txuas ntxiv thiab lub caij nplooj hlav.

Cov pa roj carbon C: 0.38 ~ 0.45%

Silicon Si: 0.17 ~ 0.37%

Manganese MN: 0.50 ~ 0.80%

Sulphur S: Allowable Realidual cov ntsiab lus ≤0.035%

Phosphorus p: Cov ntsiab lus uas tau tso cai tshaj tawm ntawm cov ntsiab lus ≤0.035%

Chromium cr: 0.90 ~ 1.20%

Nickel NI: Cov Lus Qhia Residual ≤0.030%

Tooj liab Cu: Cov lus tso cai tshaj tawm ≤0.030%

Molybdenum: 0.15 ~ 0.25%

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