Welder qualification issues for welding stainless steel composite plates?
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It stipulates that: \"Welders working on the welds between the layers and the transition layer welds of welded stainless steel composite steel must possess qualifications for corrosion-resistant surfacing welding.\" Does this sentence mean that when welding the seams between the layers of stainless steel composite steel, as well as the transition layer seams, a welder only needs to have the qualifications for corrosion-resistant surfacing welding, without also needing the qualifications specific to welding stainless steel?
It is a fundamental requirement that welders have the qualifications to weld stainless steel
It stipulates that: \"Welders working on the welds between the layers and the transition layer welds of welded stainless steel composite steel must possess qualifications for corrosion-resistant surfacing welding.\" In my personal understanding, this sentence means that having the qualification for corrosion-resistant surfacing welding also allows one to weld the seams between the layers of stainless steel composite materials. Could it then be inferred that there is no need for a welder with specialized qualifications for stainless steel welding when working on such composite materials?
1. The welding of the transition layer itself is a corrosion-resistant surfacing process (what welding position is used when obtaining a welder’s certificate?) However, when welding the equipment, as long as you ensure that the welding position is in a flat welding position, there will be no issues. 2. However, double-layer welding is not feasible. Simply put, obtain two welder qualification certificates. Because I still need to work on stainless steel equipment in the future.