● Khoom siv: 9310 Steel● Module: 1-3 M● Kev kho cua sov: carburizing, quenching, thiab tempering● Hardness: 58-62 HRC
● Khoom siv: 8620 Hlau / 9310 Hlau● Module: 1-3 M● Kev kho cua sov: carburizing, quenching, thiab tempering● Hardness: 58-62 HRC
● Khoom siv: AISI 303ss● Module: 3M● Hardness: 180HB● Kev Ua Siab ntev: ISO7