(1) welded paipu mai ke kila papa kuʻihao i loko o ka poepoe paipu, i maheleia i kiʻekiʻe alapine puʻe welded paipu (RW welded paipu), pololei seam arc kuʻihao paipu (LSAW), spiral welded paipu. Electrical 'enekinia me "SC", hiki ke hoʻohana 'ia. ʻoiai hiki ke hoʻohana ʻia ka paipu kinoea wai e like me ka paipu threading, ʻano mānoanoa.

(2) Pipeline paipu, no hoi i ikeia he uwea paipu, ua 'ano lahilahi, denoted e "T", a hiki ke hoʻohana wale no threading.ERW kila paipu ERW kila paipu

(3) ERW paipu he "kiʻekiʻe alapine (frequency resistance kuʻihao kila paipu), a me ka maʻamau kuʻihao kaʻina hana okoa, ka weld laina mai ke kumu mea o ke kila kāʻei hooheheeia kino, ka mechanical ikaika ma mua o ka laulā huahelu e kū ana. no ke kuʻi kuʻi ʻana, ʻo ka wili kuʻi i nā hiʻohiʻona o ka hana kiʻekiʻe, ke kumu kūʻai haʻahaʻa, mālama waiwai a me ka automation maʻalahi, no laila ua hoʻohana nui ʻia i ka mokulele, aerospace, ikehu, uila, automotive, ʻoihana māmā a me nā ʻoihana ʻē aʻe, ʻo ia kekahi o ka kaʻina hana wiliwili koʻikoʻi.

Kaʻina hana no ka paipu kila ERW:

Uncoiling --- 2. Leveling --- 3. Hope oki --- 4. Ho'opau shearing welding --- 5. Supercoil accumulator --- 6. Edge oki --- 7. Ultrasonic detection --- 8. Forming - -- 9. Uila induction welding --- 10. Ultrasonic detection for weld seam --- 11. Medium frequency heat treatment --- 12. Air cooling --- 13. Water cooling --- 14. Sizing --- 15 . Lele oki --- 16. Flush-out --- 17. Cropping --- 18. Flattening ho'āʻo --- 19. Straightening --- 20. Hoʻopau ke alo a me ka beveling --- 21. Hydrodynamic ho'āʻo --- 22 . Kani kani no ka weld seam --- 23. Kani ultrasonic ike no ka paipu hope --- 24. Nānā a me nā ana --- 25. Weighting a me ana --- 26. Marking --- 27. Coating --- 28. Paipu-hopena pale --- 29. Kulou --- 30. Hoouna