| 摘要 |
<p>A counter-channel is used to support the melting bath. A moulded ceramic body is inserted in the prepared welding joint, or placed against the joint, so that at least part of the moulded body melts under the action of the welding heat generated. Use in welding steel and steel alloys. Pref. the moulded body contains Al2O3 and SiO2 as chemical ingredients.</p> |
