Injinan bututun da aka kera na musamman na ZTZG suna samar da bututun da aka haɗa da welded masu inganci.
Injin din bututun mu mai haɗaɗɗen Welded an ƙera shi da kyau don sarrafa nau'ikan kayan ƙarfe na carbon da siffofi masu rikitarwa cikin inganci da daidaito.
Injinan bututun da ake amfani da su wajen samar da bututun bayanin martaba suna tabbatar da ingancin walda da kuma daidaiton girma ga aikace-aikacen masana'antu daban-daban.
Layin samar da bututu mai siffar siffa yana nufin na'urar haɗakarwa ta lanƙwasa sanyi mai ci gaba da kuma walda madaidaiciya mai yawan mitoci, wadda ke naɗe sandunan ƙarfe zuwa cikin bututun da ba su da madauwari. Manyan samfuran sun haɗa da:
Nau'in D, mai kusurwa uku, mai kusurwa huɗu, mai kusurwa huɗu, mai kusurwa huɗu, bututun rhomboid, bututun da aka tsaga, bututun da aka yi wa shingen tsaro, bututun shingen mota, bututun da aka yi wa ado da kayan daki, da sauransu.
Masana'antu na aikace-aikacen layin samar da bututu mai siffar siffa:
Tsarin ƙarfe na gini: ginshiƙan bututun murabba'i da murabba'i, bangon labule, bututun da aka yi wa shingen kariya
Masana'antar injina: firam ɗin kayan aiki, rollers na jigilar kaya
Masana'antar motoci: firam ɗin abin hawa, sandunan haɗari, bututun siffa mai siffar kujera
Kayan daki/ajiyar kaya: shiryayyu, tebura da kujeru, bututun oval, bututun da aka yi da kayan ado
Sabuwar makamashi: maƙallan ɗaukar hoto, siffofi na musamman don kayan ajiyar makamashi
Injinan noma, kayan motsa jiki, bututun daidaitacce don na'urorin likita
| LAYIN TUBE NA ERW | |||||
| Samfuri | Rbututun bututu mm | Murabba'ibututu mm | Kauri mm | Gudun aiki m/min | |
| ERW20 | Ф8-Ф20 | 6x6-15×15 | 0.3-1.5 | 120 | Kara karantawa |
| ERW32 | Ф10-Ф32 | 10 × 10-25 × 25 | 0.5-2.0 | 120 | |
| ERW50 | Ф20-Ф50 | 15 × 15-40 × 40 | 0.8-3.0 | 120 | |
| Farashin ERW76 | Ф32-Ф76 | 25×25-60×60 | 1.2-4.0 | 120 | |
| ERW89 | Ф42-Ф89 | 35×35-70×70 | 1.5-4.5 | 110 | |
| ERW114 | Ф48-Ф114 | 40×40-90×90 | 1.5-4.5 | 65 | |
| ERW140 | Ф60-Ф140 | 50 × 50-110 × 110 | 2.0-5.0 | 60 | |
| ERW165 | Ф76-Ф165 | 60×60-130×130 | 2.0-6.0 | 50 | |
| ERW219 | Ф89-Ф219 | 70×70-170×170 | 2.0-8.0 | 50 | |
| ERW273 | Ф114-Ф273 | 90×90-210×210 | 3.0-10.0 | 45 | |
| ERW325 | Ф140-Ф325 | 110 × 110-250 × 250 | 4.0-12.7 | 40 | |
| Farashin ERW377 | Ф165-Ф377 | 130×130-280×280 | 4.0-14.0 | 35 | |
| ERW406 | Ф219-Ф406 | 170×170-330×330 | 6.0-16.0 | 30 | |
| ERW508 | Ф273-Ф508 | 210 × 210-400 × 400 | 6.0-18.0 | 25 | Kara karantawa |
| ERW660 | Ф325-Ф660 | 250×250-500×500 | 6.0-20.0 | 20 | Kara karantawa |
| ERW720 | Ф355-Ф720 | 300 × 300-600 × 600 | 6.0-22.0 | 20 | Kara karantawa |
| LAYIN SAMARWA NA BABUR KARFE | |||||
| Samfuri | Rbututun bututu mm | Murabba'ibututu mm | Kauri mm | Gudun aiki m/min | |
| SS25 | Ф6-Ф25 | 5×5-20×20 | 0.2-0.8 | 10 | Kara karantawa |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Kara karantawa |
| SS51 | Ф9-Ф51 | 7×7-40×40 | 0.2-1.5 | 10 | Kara karantawa |
| SS64 | Ф12-Ф64 | 10 × 10-50 × 50 | 0.3-2.0 | 10 | Kara karantawa |
| SS76 | Ф25-Ф76 | 20 × 20-60 × 60 | 0.3-2.0 | 10 | Kara karantawa |
| SS114 | Ф38-Ф114 | 30×30-90×90 | 0.4-2.5 | 10 | Kara karantawa |
| SS168 | Ф76-Ф168 | 60×60-130×130 | 1.0-3.5 | 10 | Kara karantawa |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Kara karantawa |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Kara karantawa |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Kara karantawa |
| SS508 | Ф273-Ф508 | 210 × 210-400 × 400 | 4.0-12.0 | 3 | Kara karantawa |
| SS862 | Ф508-Ф862 | 400 × 400-600 × 600 | 6.0-16.0 | 2 | Kara karantawa |