BAINITIC STEEL FOR ROCK DRILLING COMPONENT

摘要

A bainitic steel comprising, in weight% (wt%): C: 0.16 0.23, Si: 0.8 1.0, Mo: 0.67 0.9, Cr: 1.10 1.30, V: 0.18 0.4, Ni: 1.60 2.0, Mn: 0.65 0.9, P: = 0.020, S: = 0.02, Cu: < 0.20, N: 0.005 - 0.012 balance Fe and unavoidable impurities.