Kev sib piv nrog nruab nrab - cov pa roj carbon high}}}} rolled steel (xws li S50c)

Nruab nrab - cov pa roj carbon ntau (xws li cov ntsiab lus carbon (xws li cov pa roj carbon ntau ntxiv los ntawm SpCC (cov ntshav tsawg):
Kev Kawm Spcc (Cov Roj Hmab Tsawg) S50c (Nruab Nrab Cov Hlau Roj Hlau)
Tensile Lub Zog 270-370 MPa 630-800 MPa
Paib lub zog ntau dua los yog sib npaug ntawm 130 mpa ntau dua lossis sib npaug rau 370 MPA
Elongation ntau dua los yog sib npaug rau 30% 10% -15%
Hardness (Annealed) 60-80 HB 170-210 HB
Kev Ua Tau Zoo Txias Ua Haujlwm Txias (Yooj Yim Rau Nyiaj Txiag) Tsis Zoo Ua Haujlwm (Xav Kom Sov Kho Kom Txhim Kho)
Qaum Sib Txawv:
S50C tau ua kom muaj zog dua thiab tawv dua Spcc, tab sis ua kom pom kev ua siab loj. It is primarily used for parts requiring high hardness and wear resistance (such as shafts and springs) and requires a quenching and tempering process.
Spcc yog vim nws cov ntsiab lus carbon qis, nws tsis tuaj yeem txhim kho los ntawm kev kho mob tshav kub thiab nws tso siab rau kev ua haujlwm txias excormation).