TPi November 2016

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November 2016 Tube Products International 9
business & market news
Final acceptance issued for
modernised bar mill
HES Hennigsdorfer Elektrostahlwerke
GmbH, a company in the Riva Group,
has issued Primetals Technologies
with the final acceptance certificate
for a modernised turnkey bar mill in
Hennigsdorf, in the German state of
Brandenburg.
The modernisation project included
replacing two existing stands in the
roughing mill with new Red Ring stands,
which do not have housing. This solution
requires less space and has greater
rigidity, to enable consistently narrow
product tolerances to be achieved. The
new stands also have larger rolls. This
increases the stability of the process
and allows multi-strand operation.
Primetals Technologies received the
order in May 2015, and commissioning
took place during a scheduled plant
shutdown at the turn of the year 2015/16,
with industrial rolling restored in January.
HES is one of three production locations
that the Italian Riva Group has in
Germany. The plant converts raw scrap
metal provided by Riva Stahl GmbH
into steel products, which are then
marketed by Riva Stahl GmbH. The
range of products includes continuously
cast billets, reinforcement steel and
bright steel, which is mainly supplied
to the automotive industry and its
suppliers. For the modernisation of the
bar mill, Primetals Technologies supplied
two new type RR564 housing-less Red
Ring roughing stands with a horizontal
configuration. The scope of supply also
included couplings, drive spindles and
spindle supports. The centreline of the
rolls can be varied between 480 and
730mm, and the roll barrels are 850mm
long. A new gearbox was also installed
on one stand.
Stand change parts, a motorised
device for roll change operation, and
the on-board electrical equipment for
the stands completed the scope of
supply. Primetals Technologies was
also responsible for construction and
commissioning. The bar mill processes
billets of carbon steel and low alloy
grades with a square cross-sectional
area of 140 x 140mm, a length of 12m,
and a weight of 1.8 metric tons. The
final products are rebars with diameters
of between 10 and 50mm, and rounds
with diameters ranging from 14 to
50mm.
Primetals Technologies Ltd – UK
HES Hennigsdorfer
Elektrostahlwerke GmbH – Germany
Two Red Ring rolling stands from Primetals were installed on the HES mill
Groundbreaking ceremony unveils
new tube pickling plant
Sandvik held a ceremony in June, at its
headquarters in Sandviken, Sweden,
to commemorate a major investment
in a new pickling plant for hot flow
processes in tube manufacturing.
Construction of the plant was set
to begin immediately, and the new
pickling line will be up and running by
the end of 2017. The new facility will
cover 6,000m2.
Around 50 people were invited to
take part in the event, in which the
ground beneath the location of the
new pickling plant was symbolically
broken for the first time to mark the
beginning of construction of the new
building. A custom-made shovel was
produced for the occasion, and the first
dig was a joint effort between Christina
Anttila, project manager; Michael
Andersson, head of product area tube;
Ulrika Silver, supply manager tube; and
Petra Einarsson, president of Sandvik
Materials Technology.
Ms Einarsson commented, “This
investment is very positive for
Sandviken. It strengthens our position
globally and, at the same time, confirms
that Sandviken remains an important
part in our forward direction.” Almost
all tubes produced in Sweden pass
through the pickling process step,
which makes the new plant an important
investment that will help ensure the
stability and quality of tube production.
The plant will be equipped with the
latest technology and will be designed
to provide a safer working environment
and environmentally friendly processes.
Sandvik Materials Technology –
Sweden