Hoc processus adhibitus est ad tubos chalybis carbonis communes producendos.
Sectio formationis ante soldaduram eisdem cylindris utitur, quod mutationes ad diversas specificationes productionis sine dissolutione vel substitutione permittit; soli cylindri in sectione dimensiones mutandi sunt.
Cum tubi chalybis inoxidabilis vel tubi chalybis mollis per soldaduram arcus submersi producuntur, tardior celeritas soldadurae productionem tuborum chalybis inoxidabilis sine mutationibus cylindri permittit.
Hoc significat cylindros per totam lineam pro variis specificationibus communicari posse, et electrice aptari.
Hoc processu utentes, lineae productionis tuborum possunt sumptum in cylindros minuere, efficientiam productionis augere, detritionem instrumentorum reducere, et intensionem laboris reducere.
Praeterea, tubi conglutinati hoc processu producti praecisionem magnam, margines leviores, et aspectum regulariorem habent.
| Linea Molae Tubularis ERW | |||||
| Modellum | Rtubus rotundus mm | Quadratumfistula mm | Crassitudo mm | Celeritas laboris m/min | |
| ERW20 | Ф8-Ф20 | 6x6-15×15 | 0.3-1.5 | CXX | Plura Lege |
| ERW32 | Ф10-Ф32 | 10×10-25×25 | 0.5-2.0 | CXX | |
| ERW50 | Ф20-Ф50 | 15×15-40×40 | 0.8-3.0 | CXX | |
| ERW76 | Ф32-Ф76 | 25×25-60×60 | 1.2-4.0 | CXX | |
| 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 | |
| REG (vel fortasse "ERW")273 | 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 | Plura Lege |
| ERW660 | Ф325-Ф660 | 250×250-500×500 | 6.0-20.0 | 20 | Plura Lege |
| ERW720 | Ф355-Ф720 | 300×300-600×600 | 6.0-22.0 | 20 | Plura Lege |
| LINEA PRODUCTIONIS TUBORUM CHALYBIS INOXIDABILIS | |||||
| Modellum | Rtubus rotundus mm | Quadratumfistula mm | Crassitudo mm | Celeritas laboris m/min | |
| SS25 | Ф6-Ф25 | 5×5-20×20 | 0.2-0.8 | 10 | Plura Lege |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Plura Lege |
| SS51 | Ф9-Ф51 | 7×7-40×40 | 0.2-1.5 | 10 | Plura Lege |
| SS64 | Ф12-Ф64 | 10×10-50×50 | 0.3-2.0 | 10 | Plura Lege |
| SS76 | ФXXV-Ф76 | 20×20-60×60 | 0.3-2.0 | 10 | Plura Lege |
| SS114 | ФXXXVIII-Ф114 | 30×30-90×90 | 0.4-2.5 | 10 | Plura Lege |
| SS168 | Ф76-ФCLXVIII | 60×60-130×130 | 1.0-3.5 | 10 | Plura Lege |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Plura Lege |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Plura Lege |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Plura Lege |
| SS508 | Ф273-Ф508 | 210×210-400×400 | 4.0-12.0 | 3 | Plura Lege |
| SS862 | Ф508-ФDCCCLXII | 400×400-600×600 | 6.0-16.0 | 2 | Plura Lege |