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Outokumpu Stainless
Outokumpu is a global leader in stainless steel
with the vision to be the undisputed number one.
Customers in a wide range of industries use their
stainless steel and services worldwide. Being a fully
recyclable, maintenance-free, as well as very strong
durable material, stainless steel is one of the key
building blocks for a sustainable future. Outokumpu
employs some 10,000 people in more than 30 countries.
Main production plants are Tornio and Kemi in Finland,
Avesta (steel melting shop, hot and cold rolling),
Nyby and Degerfors in Sweden, Krefeld, Dillenburg
and Dahlerbrück in Germany, Sheffield in the
UK and Calvert and Richburg in the US.
Outokumpu’s main products are hot and cold
rolled stainless steel sheets, plates and strips that
are used in numerous applications – such as the
construction industry, the automotive industry and
equipment for the process industry.
Wide and thick individually rolled quarto plates are
used in the energy sector, to transport chemicals and
to extract salt from sea water. They are also widely
used in the process industry in pressure cylinders,
tanks, thickwalled tubes, bridge structures and
process equipment.
Outokumpu’s customers include the processing
and construction industries, the energy sector, the
transport sector, the food and electronics industries,
and the producers of household and industrial
machinery around the world.

Mill data
4-hi Reversing roughing mill
Supplier Schloemann Siemag
Initial slab thickness 140 or 200 mm
Work roll diameter, 895 mm,
length, weight 2800 mm, 22 tons
Backup roll diameter, 1600 mm,
length, weight 2650 mm, 58 tons
Maximum roll force 4000 tons
Motor, drive power 2 x 4.35 MW
Slab width 2100 mm
Maximum edging force 600 tons
Rolling speed 0 to 5.2 m/s
4-hi Steckel mill
Supplier SMS Demag, VAI and ABB
Mill entry thickness 20 or 32 mm
Work roll diameter, 720 mm,
length, weight 2500 mm, 2.3 tons
Backup roll diameter, 1600 mm,
length, weight 2200 mm, 53 tons
Maximum roll force 5000 tons
Drive system, single side drive 15 MW
Strip width 800 to 2100 mm
Strip thickness 2.5 to 12.7 mm
Rolling speed 0 to 11 m/s