Ayon sa iba't ibang paraan ng welding, maaari itong nahahati sa arc welding, high-frequency o low-frequency resistance welded pipe, gas welded pipe, furnace welded pipe, Bondi pipe, atbp. Welded steel pipe: ginagamit sa oil drilling at produksyon at makinarya pagmamanupaktura. Hurno welded pipe: ito ay...
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