1.6511, 36CrNiMo4, Alloy Special Steel steelmax2019-01-06T10:57:08+09:008월 12th, 2017| 1.6511, 36CrNiMo4 는 QT 열처리하면 인장강도 750 MPa minimum, 항복강도 550 MPa minimum으로 EN 10250-3 : Open die steel forgings for general engineering purposes