| 摘要 |
<p>There is disclosed a method of butt welding of flat steel plate or steel pipe seams by a submerged arc process in which weld metal is deposited in the weld gap from one side only including the steps of applying powdered flux (21) to the weld gap, compacting the flux by a support device (10) and a conveyor (12) and maintaining the flux in position whilst weld material is applied to the weld gap.</p> |
