Services
- Roller bending
- Press forming
- Heat treatment
Prefab, Sweden
Business Area Europe
In production of prefabricated suction roll shell blanks for leading global roll manufacturers, exacting processes are the key to long shell life. Through uniquely tailored services, Outokumpu Prefab delivers the quality that translates into solid performance.
Certificates and approvals
- TUV NORD EN ISO 9001:2015 and EN ISO 14001:2015, Sales and manufacturing of roll shells, including services for heat treatment and forming, Outokumpu Prefab AB
For EPCs and roll manufacturers serving the pulp and paper industry, Outokumpu Prefab is an indispensable provider of suction roll shell blanks. Prefab specializes in duplex stainless steel grades specifically designed for suction roll shells.
Low stress levels and the absence of detrimental imperfections in the shell are essential to ensure long lifespan. Outokumpu rises to this rigorous challenge through creation of customized welding procedures, controlled heat treatment, and ultrasonic testing conducted internally. The result? Shells that deliver a solid return on investment, performing at optimum speed and quality in a long-life cycle.
Through Prefab’s proprietary roll-forming and heat treatment processes and access to plate in any thickness from Outokumpu’s own Degerfors mill, manufacturers enjoy nearly limitless flexibility – including hard-to-find large shells.
Prefab also offers a range of heavy plate fabrication services.
Key capabilities
Tailored fabrication
- Forming equipment (presses and roller bending machines) and specialized welding of thick gauges, including grades Forta 3RE60 SRG, Forta2304 SRG, Forta LDX 2101 and Forta DX 2205
Committed to quality
- Onsite furnace for heat treatment delivers stress relief in a proven, proprietary process
Short lead times
- Through the power of a full and effective supply chain, lead times are minimized
| Services | ||
|---|---|---|
| ROLLER BENDING | ||
| Hot and cold bending | ||
| Thickness | Length | Inner diameter |
| ≤ 120 mm | ≤ 6.7 m | ≥ 500 mm |
| HOT AND COLD FORMING | ||
| Press force | Clear width | Height |
| ≤ 2,500 ton | 4 m | ≤ 3 m |