Ipayipi le-LSAW (Longitudinal Submerged Arc-Welding Pipe), ebizwa nangokuthi ipayipi le-SAWL. Ithatha i-steel plate njengento eluhlaza, ilibumbe ngomshini wokubumba, bese yenza i-arc welding engaphansi kwezinhlangothi ezimbili. Ngale nqubo ipayipi lensimbi le-LSAW lizothola i-ductility enhle kakhulu, ukuqina kwe-weld, ukufana, ...
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