摘要 |
<p>An aluminum killed hardened steel sheet contains (by weight) 0.003 - 0.130% of carbon, 0.10 - 1% of manganese, 0.010 - 0.100% of aluminum, 0.0015 - 0.0140% of nitrogen, the remainder being iron and production impurities. It also includes a carbon-in-solid-solution (Css) content of at least 50 ppm. An Independent claim is also included for a method for the fabrication of steel packaging formed from this steel by pressing.</p> |