Submerged arc welded steel pipe production process
In the production process, in addition to the quality of raw materials and the use of advanced submerged arc welding equipment, the production process is also very important, such as steel plate pretreatment: pretreatment of the steel plate such as rust removal, oil removal, and edge grinding to ensure the surface of the steel plate The cleanliness and flatness of the production line; and the core part of the production line "forming" and welding of steel pipes
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