Welding method of large-scale stainless steel tank under high-temperature, high-humidity and blown sand environment
A welding method and stainless steel technology, applied in welding equipment, welding/welding/cutting items, arc welding equipment, etc., can solve the problems of inconvenient welding of large stainless steel tanks, long welding stress release time, wet weld bead, etc., to achieve The welding quality is good, the design is strict, and the effect of avoiding welding deformation
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[0033] The welding method of the large-scale stainless steel tank tank under high temperature, high humidity, sandstorm environment of the present invention, comprises the following steps:
[0034] a. Preparations before welding construction, including the following steps:
[0035] (1) Welder assessment: Welders who participate in welding must have a certificate of qualification for large-scale stainless steel tank welding projects. They must pass the on-site assessment in accordance with the requirements of the Saudi SABIC standard and obtain a welder qualification certificate before they can engage in welding within the scope of the qualified examination items. Work;
[0036] (2) Prepare welding process card
[0037] Welding procedure card: Welding procedure assessment shall be carried out on site according to the relevant regulations of Saudi Arabian SABIC and American standard ASME, and the welding procedure card shall be prepared according to the selection of procedure a...
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