Special Steels
Special Steels special steel casting
surface treatment investment casting
TRADITION
1820 Dörrenberg produces the patented, two to four-times refined Janus steel, an excellent “cutting steel”.
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BUILT ON FIRM FOUNDATIONS
Our four business units –
The special steels division
Our customers do not just
special steels, special steel
is one of these pillars. Tool
want standard grades.
casting, investment castings
steels form the basis of our
Special qualities are both
and surface treatment are
wide range of products.
developed and produced.
on which our business is
Knowledge gained through
Our success is based on
built.
years of experience,
technical consultation,
together with our ability to
which forms the basis of
adjust to change form the
our relationship with our
basis of our success.
customers. Our advice
ADVICE
MATERIALS Tool steels
Tool steel castings
HEAT TREATMENT Surface / Vacuum hardening
HARD MATERIAL COATINGS CVD technology
PVD technology
PA-CVD technology
Too l M a nuf a c t ur e
THE DÖRRENBERG CONCEPT
the pillars of the foundations
covers all questions in the area of materials technology as well as production and final applications. Our world wide distribution and sales network allows us to offer material Just in time in both the required execution and quantity.
1883
1928
2006
Development of the famous Hidalgo “high-endurance steel” for high-quality tools.
Commissioning of Germany’s first electric induction melting furnace.
Opening of the plant in Wiehl-Weiershagen
Ingot casting
MELTING, FORMING, STOCKHOLDING
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THE RIGHT BLEND
Melting is still one of the
Our steel is produced in
A computer-controlled high
most important processes in
our own steel mill in close
capacity racking system
the creation of a wide range
collaboration with qualified
with a wide range of sizes
of materials. As so often in
and competent German and
and grades, coupled with
life, the key to success is
international partners, using
our regional service centres
finding the right combination.
the latest forming and
guarantee a trouble free and
A steel´s properties depend
machining equipment.
flexible supply.
control in the melting
Stockholding is another key
Stock sizes and grades are
furnace, the purity and the
element in our wide range
continually adjusted to meet
chemical composition.
of services, complementing
customer needs.
This is where we customise
production and development.
on optimum metallurgical
our steels for your individual application.
Shaping
Product selection
Racking System Effective logistics through computer-aided management.
Advice
PLANNING, CUTTING, SUPPLYING
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TAILOR-MADE SERVICE
Manufacturing a good
If we do not have the product
Our competitive cutting and
product is only one side of
you require in stock, we can
machining facilities can
being competitive. Service
produce the size according
quickly produce cut-to-size
is the other. Qualified advice
to your specification. Special
parts, fixed lengths or other
for our customers as well
products such as discs, rings
machined parts.
as continual control ensure
and machined tools also
both are met.
belong to our delivery
We are also able to both heat
programme.
treat and coat tools using the
Our qualified in-house staff
PVD and CVD process.
and sales representatives are always available for
In addition we are able to
advice and assistance for
coat your tools using all
technical questions and
standard coating processes
specific problems.
e.g. PVD, PA-CVD, CVD and Plasma-Nitriding. This means the highest possible tool life.
Customised sizes
Vacuum hardening shop
Individual delivery service
Finished products
PRECISION Research and development
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QUALITY ASSURANCE
Our experienced and highly
Careful planning before
In addition, we are
skilled personnel check all
commencement of
permanentely working with
products for compliance
manufacture guarantees the
our customers on the
with our stringent internal
quality of our products. The
development and further
quality standards and our
chemical composition and
development of materials.
customers’ specifications.
mechanical-technological
Close co-operation with
properties of all our products
universities and research
Our TÜV certified Quality
are tested in our laboratory
institutes plays and integral
Management System
with state-of-the-art
role in guaranteeing that we
guarantees constantly
equipment.
are always up to date with
updated measuring and
the latest technical
testing procedures.
developments.
Microstructure
Mechanical material testing
Chemical material testing
Special Steels
Special Steel Castings • Stainless and acid resistant castings • Heat-resistant castings • Wear-resistant castings • Cold work, hot work and high-speed steel castings • Special alloys • 3-D-CAD (Catia) • Foundry simulation (Magmasoft)
Investment castings
Surface treatment
• Advice regarding materials and design • CAD data exchange • Simulation of solidification • Rapid prototyping, rapid tooling • Mechanical machining • Various surface treatment processes • Cooperation in order to supplement our range of products
• Hard material coatings with CVD-, PVD-, PA-CVD-Technology • Heat treatment on commission • Vacuum heat treatment • Edge Hardening • Plasmanitriding • Polishing, coating removal and re-coating • Treatment of complete tools • Consultancy on site • Transportation logistics
Investment casting of all standard and special steels using the lost wax process
COMPETENCE
Forging ingots/Raw ingots Mechanical machining
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Range of Products
We offer a wide range of market-oriented products. From stock alone, we can supply around 50 different materials in about 2500 sizes.
• Hot and cold work tool steels • High-speed steels • Powder metallurgical materials • Precision Flat Steel / Premachined Plates • EDM-blocks • Glass Mould Steel • Stainless, acid and heat-resistant steels • Silver steel • Nitriding steels • Heat-treatable steels • Alloyed and Unalloyed Structural Steel • Special Alloys • Tools • Mechanical machining
Full product range As a full service provider and tool steel specialist, our customers can expect a high level of competence, experience and innovative developments
Plant Weiershagen
south Branch
Dörrenberg Edelstahl GmbH Geschäftsbereich Edelstahl Werk Wiehl Weiershagener Str. 80 D-51674 Wiehl-Weiershagen Phone +49 2263 79-0 Fax +49 2263 79-205 Dörrenberg Edelstahl GmbH Postfach 21 64 D-51758 Engelskirchen Phone +49 2263 79-0 Fax +49 2263 79-205 www.doerrenberg.de E-Mail:
[email protected] Doerrenberg Special Steels Pte. Ltd. 25 International Business Park 04-60A German Centre Singapore 609916 Phone +65 65 62 9021 Fax +65 65 62 9023 www.doerrenberg.com.sg
A member of the GESCO group of companies
2/2008, C&G: Strategische Kommunikation GmbH
North Branch
