1. Shin bututun murabba'i da aka samar ta hanyar na'urori masu irin wannan samfurin za su iya cimma kauri iri ɗaya da bututun zagaye,
2. A lokaci guda, yana rage karce bututun ƙarfe ta hanyar injin niƙa mai birgima,
3. Sauran saman guda huɗu suna fuskantar tilas a lokaci guda, wanda hakan ke sa bututun ƙarfe da aka samar ya fi kyau,
4. Wannan tsari yana da sauƙin aiki, yana rage yawan aiki ga ma'aikata, kuma yana inganta ingancin aiki,
5. Babban fa'idar wannan tsari shine yana adana molds,
6. Za ka iya juya matsayin dinkin walda cikin 'yanci.
| 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 |