Kev ua tau zoo ntawm cov hlau no zoo dua li 30Mn2 steel. Nws muaj qhov ua kom siab dua, nrog rau qhov tseem ceeb hardenability txoj kab uas hla ntawm 8-22mm nyob rau hauv dej, zoo machinability, sim txias txias deformation plasticity thiab weldability; Ntxiv rau, qhov tawv ntawm cov hlau tsis ntau txo thaum kho cov cua sov. Tab sis nws muaj lub zog zoo heev thiab hnav tsis kam, tshwj xeeb tshaj yog tseem muaj lub siab tawv thaum dej quenching; tab sis cov hlau no rhiab heev rau cov pob ntxhiab dawb, thiab muaj qhov nyiam kom npau npau thiab kub ntau dua thaum kho cua sov.
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