Three rolling mills with more than 60,000 sf
Twin Brothers has three rolling mills with more than 60,000 sf of enclosed large plate blending, rolling and assembly space, dedicated to the manufacturing of large diameter (28″ to 222″), heavy wall (3/8″ to 5″) rolled and welded tubular using double submerged arc welding process, (DSAW). Forming capacities are dependent upon the diameter, steel grade and length, as well as wall thickness.
The mills are capable of cold rolling typical steel materials such as ASTM A-36 or similar having yield 36 KSI, API 2H Gr. 50, ASTM A633 Gr. C or similar having yield 50 KSI, API 2Y, API 2W, ASTM A709 Gr. 70W or similar having 60 – 100 KSI.
Rolling Mill #1
- 12,000 square feet shop.
- Three 10 ton overhead cranes.
- The mill plate roller is hydraulic four-roll custom built Model Roundo PAS 700/10.
- Capable of rolling 28 inch ID to 108 inch ID x 10 foot LNG cans up to 2 ½ inch thick and 3 ½ inch length.
- Pipe racks allow for joining pipes up to 220 feet in length plus.
Rolling Mill #2
- 30,000 square feet shop.
- Three 20 ton overhead cranes.
- Bertsch Roller capacity to roll from 44 inch to 240 inch diameter cans in 10 feet lengths, up to 5 inch plate thickness.
- Automatic sub arc welding stations.
- Piling rack joining piles at 220 foot in length plus.
Rolling Mill #3
- 15,810 square feet shop.
- Roundo Roller capable of 28 inch ID to 240 inch ID x 10 feet cans up to 2½ inches.
- Three 10 ton overhead cranes.
