| 摘要 |
Steel contains (by wt.%): 0.07-0.15 carbon (C), 0.5-1.2 manganese (Mn), up to 0.5 silicon (Si), 1.2-2 chromium (Cr), 0.4-0.7 molybdenum (Mo), 2.5-3.5 nickel (Ni), up to 0.13 vanadium (V), up to 0.05 titanium (Ti), up to 0.045% aluminium (Al), 0.015 phosphor (P) and up to 0.015 sulphur (S). |
