Maitiro aya anoshandiswa kugadzira mapaipi esimbi yekabhoni.
Chikamu chekugadzira chinoshandiswa pakugadzira chinoshandisa maroller akafanana, zvichibvumira shanduko kune zvakasiyana-siyana zvekugadzirwa pasina kupatsanurwa kana kutsiviwa; maroller ari muchikamu chehukuru chete ndiwo anofanira kutsiviwa.
Pakugadzira mapaipi esimbi isina ngura kana mapaipi esimbi isina ngura uchishandisa welding yearc iri pasi pemvura, kumhanya kwewelding kunononoka kunobvumira kugadzirwa kwemapaipi esimbi isina ngura pasina kuchinja maroller.
Izvi zvinoreva kuti maroller anogona kugoverwa mumutsetse wese kuti awane zvirevo zvakasiyana, uye anogona kugadziriswa nemagetsi.
Uchishandisa nzira iyi, mitsetse yekugadzira mapaipi inogona kuderedza mari inoshandiswa pakugadzira maroller, kuvandudza mashandiro ekugadzira, kuderedza kusakara kwemidziyo, uye kuderedza simba revashandi.
Pamusoro pezvo, mapaipi akasungirirwa akagadzirwa nemaitiro aya ane kunyatsorongeka kwakanyanya, mipendero yakatsetseka, uye chitarisiko chakajairika.
| Mutsetse weERW TUBE Mill | |||||
| Muenzaniso | Rpombi yepombi mm | Sikweyapombi mm | Ukobvu mm | Kushanda nesimba m/miniti | |
| ERW20 | Ф8-Ф20 | 6x6-15×15 | 0.3-1.5 | 120 | Verenga Zvakawanda |
| ERW32 | Ф10-Ф32 | 10×10-25×25 | 0.5-2.0 | 120 | |
| ERW50 | Ф20-Ф50 | 15×15-40×40 | 0.8-3.0 | 120 | |
| 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 | |
| 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 | Verenga Zvakawanda |
| ERW660 | Ф325-Ф660 | 250×250-500×500 | 6.0-20.0 | 20 | Verenga Zvakawanda |
| ERW720 | Ф355-Ф720 | 300×300-600×600 | 6.0-22.0 | 20 | Verenga Zvakawanda |
| NZIRA YEKUGADZIRA POMBI YESIMBISA YAKASHANDISA | |||||
| Muenzaniso | Rpombi yepombi mm | Sikweyapombi mm | Ukobvu mm | Kumhanya kwekushanda m/miniti | |
| SS25 | Ф6-Ф25 | 5×5-20×20 | 0.2-0.8 | 10 | Verenga Zvakawanda |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Verenga Zvakawanda |
| SS51 | Ф9-Ф51 | 7×7-40×40 | 0.2-1.5 | 10 | Verenga Zvakawanda |
| SS64 | Ф12-Ф64 | 10×10-50×50 | 0.3-2.0 | 10 | Verenga Zvakawanda |
| SS76 | Ф25-Ф76 | 20×20-60×60 | 0.3-2.0 | 10 | Verenga Zvakawanda |
| SS114 | Ф38-Ф114 | 30×30-90×90 | 0.4-2.5 | 10 | Verenga Zvakawanda |
| SS168 | Ф76-Ф168 | 60×60-130×130 | 1.0-3.5 | 10 | Verenga Zvakawanda |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Verenga Zvakawanda |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Verenga Zvakawanda |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Verenga Zvakawanda |
| SS508 | Ф273-Ф508 | 210×210-400×400 | 4.0-12.0 | 3 | Verenga Zvakawanda |
| SS862 | Ф508-Ф862 | 400×400-600×600 | 6.0-16.0 | 2 | Verenga Zvakawanda |