LSAW Pipe (Longitudinal Submerged Arc-Welding Pipe), e kiia ana he paipa SAWL. Kei te tango i te pereti rino hei rauemi mata, ka whakarewahia e te miihini whakakikorua, katahi ka mahia nga taha-rua o te pewa kua rukuhia. Na roto i tenei tukanga ka whiwhi te paipa maitai LSAW i te pai o te ductility, te uaua weld, te rite, ...
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