The physical properties of slag, melting point, viscosity, surface tension, slag removal and so on are improved by adding appropriate amount of wollastonite powder into the coating of electrode flux. The mechanical properties of welding are obviously improved. The effect of stabilizing arc, reducing spatter, easy slag removal, increasing melting and cladding coefficient is remarkable. The more manufacturers use it.
| Electrode grade | |||||
SiO2≥45% | CaO≥40% | Fe2O3≤0.8% | S≤0.04% | P≤0.04% | 粒度60－325目 |
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