Transcript Swedish tool steel in every language

Swedish tool steel in every language
Short lead times, consistent
supply and service support
worldwide. For Uddeholm,
business has no borders. Our
presence on every continent
guarantees that you always
get the same high quality of
tool steel wherever you are.
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The process
Selected recyclable steel
We always strive to do our work with
the least possible environmental
impact. Our steel has the highest
quality with a long lifetime; we
produce it using carefully selected
recycled materials, witch is our
starting material.
To us, quality is not only the
properties of the material; our view on
quality extends further than that. It
embraces the entire value chain from
raw material to finished product for
the end user.
Steel Mill
• Selected raw materials are melted
down in the electric arc furnace
• The de-slagging machine removes
oxygen-rich slag.
• De-oxidation, alloying and heating
of the steel bath are carried out in
the ladle furnace.
• Elements such as hydrogen,
nitrogen and sulphur are removed
in the degassing station.
• In uphill casting, prepared moulds
are filled with molten steel from the
ladle.
ESR
In electro slag remelting the
ingot is built up in a watercooled mould by melting a
consumable electrode (ingot
from the melting shop)
The reaction between slag
and the steel droplets results
in a significant reduction of
sulphur and non-metallic
inclusions.
Powder
• Uddeholm is a market leader
in developing and
manufacturing tool steel in
the most sophisticated quality
segments.
• The company group has built
the world’s most advanced
powder steel production
facility in Kapfenberg, Austria
where all our Uddeholm PMsteels are made before we
processing them in Hagfors.
Forging – the future
- Our forging press is one of the
most modern forging presses in
the world.
- Significant increase of forging
capacity at the Hagfors
production site after investments
in the Forging Shop.
Second forging press
- Furnaces for heating and heat
treatment
- Hot abrasive cutting machine
Final forging capacity of roughly
110,000 ingot tonnes per year!
Rolling Mill
Our Rolling Mills are very flexible
and ”tailor-made” to produce tool
steel. (narrow tolerances, small
order lots, unique width/ thickness
Ratio.
Cogging Mill
• Ingots from the melting shop are
rolled into billets.
Bar Rolling Mill
• The billets are rolled to bars in
different dimensions and profiles.
• The rolling mill has 5 rolling pairs
• Size range; Rnd 28-80
• Flat T: 20-70, W: 40-305
Heat Treatment
There are large numbers of furnaces
for different Heat Treatment
processes.
Hardening / Tempering
• The material is heated to a
hardening temperature of
810-1040°C depending on steel
grade.
• After a holding time the material is
cooled
• followed by a tempering at 530700°C
• Cooled in air blast ,polymer or
water.
Soft annealing
• The material is heated to a
temperature of 770-890°C
depending on steel grade.
Machining
Our Machining has a large capacity
for rough Machining and removal of
Surface and Uddeholm machines all
bars!
There are three reasons why we
machine and cut the material:
• Our customers save material and
time.
• Defects in the edges of the
material can be removed if
necessary.
• Removing the mill scale after
heat-treatment simplifies surface
inspection and ultrasonic testing.
After the machining process, the
material is painted (for corrosion
resistance) and marked with a
unique identity code.
Fine Machined bars
There is an increasingly insistent
demand for shorter lead times in
the supply chain.
One way to deal with this is to
offer customers more and more
added value in the material we
supply.
Therefore we also offer
standardised executions and
dimensions.
Finishing and Warehouse
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• In our Finishing Department,
all material is cut into lengths
according to customer
requirements.
• Average weight to the end
customer is about 50 kg.
• Approximately 1 million
deliveries are made to more
then 100,000 customers
worldwide.
• Ten trailers go to Europe and
six containers go to Asia and
USA every day.
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