(1) welded bututu daga karfe farantin waldi a cikin zagaye bututu, raba zuwa high mita juriya welded bututu (ERW welded bututu), madaidaiciya kabu baka waldi bututu (LSAW), karkace welded pipe.Electrical injiniya tare da "SC", za a iya amfani da kamar yadda kuma za a iya amfani da bututun iskar gas a matsayin bututun zare, mai kauri.

(2) bututun bututu, wanda kuma aka sani da bututun waya, yana da ɗan sirara, wanda “T” ke nuna shi, kuma ana iya amfani da shi ne kawai don yin zaren.ERW ƙarfe bututun ƙarfe

(3) ERW tube ne "high mita juriya waldi karfe tube", da kuma na kowa waldi tsari ne daban-daban, da weld line ne daga tushe abu na karfe bel jiki narke, da inji ƙarfi ne mafi alhẽri daga general waldi.ERW tsaye. don juriya waldi, juriya waldi yana da halaye na high samar yadda ya dace, low cost, kayan ceto da kuma sauki aiki da kai, don haka shi ne yadu amfani a cikin jirgin sama, aerospace, makamashi, lantarki, mota, haske masana'antu da sauran masana'antu sassa, yana daya daga cikin muhimmanci waldi matakai.

Tsarin samarwa don bututun ƙarfe na ERW:

Uncoiling --- 2. Leveling --- 3. Ƙarshen yankan --- 4. Ƙarshen walƙiya --- 5. Supercoil accumulator --- 6. Edge yankan --- 7. Ultrasonic ganewa --- 8. Forming - -- 9. Electric induction walda --- 10. Ultrasonic ganewa don walda kabu --- 11. Matsakaicin zafi magani --- 12. Air sanyaya --- 13. Ruwa sanyaya --- 14. Sizing --- 15 Yanke tashi --- 16. Flush-out --- 17. Juyawa --- 18. Gwajin ƙwanƙwasa --- 19. Miƙewa --- 20. Ƙarshen fuskantar da bevelling --- 21. Gwajin Hydrodynamic --- 22 Ultrasonic ganewa ga weld dinki --- 23. Ultrasonic ganewa ga bututu karshen --- 24. Kayayyakin gani da kuma girma dubawa --- 25.Weighting da aunawa --- 26. Alama --- 27. Rufi --- 28. Kariyar bututu --- 29. Lankwasawa --- 30. Shipping