9 CRT2MO Khoom Siv Roll tus pas nrig raug mob Txhawm rau tham txog 9 hom CR2mO Kev Kho Mob Kub, kev cia siab yuav yog kev sib tw ua rau muaj cua txias: 150 ~ 900, quenching txias: raws li kev zam txim rau kev sib txawv Thiab cov cai sib txawv, qhov nruab nrab txias xws li cov dej pag quenching kua tuaj yeem siv tau.
Nco tseg: Kev zam txim yog Cr2 txias yob hlau.

3 qhov tseem ceeb taw tes kub (kwv yees tus nqi): AC1 = 740 C ar1 = 700 C Accm: 850 C 4 txwm Softening specifications rau cov khoom txias txias820 10) C 3 ~ 4H, nrog tus nqi txias ntawm.15 c / h, nrog lub cub tawg kom txias rau spindle-spindled softening specifications820 10) C 3 ~ 4H, (720 10) C 6 ~, Kuv yog qhov ua kom zoo nkauj: 810 c 210 C 2 ~ 3h 62-65 HRC, Tempering Kub 130-150 C, Hardness 62-65 HRC 2. Quenching 61-63 HRC, Tempering 61-63 HRC, Tempering Kub 150-170 C, Hardness 60-62hrc.