Injin samar da bututun turawa mai siffar murabba'i mai siffar murabba'i shine babban kayan aikin samar da bututun murabba'i da murabba'i, tare da waɗannan mahimman abubuwan:
1、Fa'idodin Samarwa: Amfani da kan Turkiyya don canza bututun zagaye zuwa bututun murabba'i yana haifar da tsari mai santsi da kuma siffar bututu mai kyau. Ana iya daidaita saitin naɗaɗɗen guda ɗaya don dacewa da takamaiman ƙayyadaddun bututun murabba'i da murabba'i, wanda hakan ke rage farashin siyan naɗaɗɗen.
2, Tsarin da Daidaito: An haɗa shi da tsarin daidaita bututu guda huɗu masu nadi huɗu, kan injin zai iya juyawa da motsawa a kwance. Saiti uku na farko sun kammala siffa mai zagaye-zuwa-murabba'i, yayin da saiti na huɗu ke sarrafa madaidaiciya mai kauri. Kuskuren diamita na bututun da aka gama shine kashi 0.5% kawai na diamita na waje na bututun, wanda ke nuna kyakkyawan daidaito.
3, Ingantaccen Inganci da Ƙarancin Amfani: Layin samarwa zai iya aiki a saurin har zuwa 120m/min, tare da ƙarancin asarar samarwa naúrar da kuma farashin samarwa da aiki gabaɗaya.
4, Ƙarfin Daidaitawa: Yana iya sarrafa bututun ƙarfe daga diamita na φ20 zuwa φ63.5mm da kauri na bango daga 0.8 zuwa 3.0mm, yayin da kuma yana yin ayyuka da yawa kamar daidaita bututun ƙarfe, jagorantar bututun zuwa cikin matakai masu zuwa, da kuma girman bututun murabba'i da murabba'i.

| 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 |