| 摘要 |
<p>A coating composition for a welding electrode comprising 35 to 55% CaCO3, 1 to 8% Fe2O3, 1 to 7% CaF2, with the ratio of Fe2O3 to CaF2 being from 0.4 to 1.6, 1 to 5% Mn, 4 to 9% Si and 2 to 9% Ni with the blance being a slag forming agent, an arc stabilization agent and a binding agent.</p> |
