BRÜCK Your Partner in Duplex Stainless Steel

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Martha Shepherd
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1 BRÜCK Your Partner in Duplex Stainless Steel More than a Forge

Through the production of near to final shape forgings and rings, we optimize the grain flow and cooling behaviour at quenching.

2 2 BRÜCK Competence in Duplex Stainless Steel State-of-the-art Forging and Heat Treatment Equipment Through state-of-the-art forging and heat treatment equipment, BRÜCK ensures the mechanical properties of our duplex stainless steel forgings. Through the production of near to final shape forgings and rings, we optimize the grain flow and cooling behaviour at quenching. Highest possible cooling rates are ensured by machining close to final dimensions prior to heat treatment and highly effective agitated quenching bathes, specially designed for duplex forgings.

3 Machining Expertise Decades of experience in machining duplex stainless steels allow BRÜCK to perform complex machining operations to tightest tolerances and optimal

We strive to deliver your entire forging requirement, be it a rough machined forging, a finish-machined piece, or even a Turn-Key component including welding and

3 3 Machining Expertise Decades of experience in machining duplex stainless steels allow BRÜCK to perform complex machining operations to tightest tolerances and optimal surface finishes. We have acquired a deep understanding of the residual stresses in duplex forgings and how they affect the machining and achievement of final dimensions. We strive to deliver your entire forging requirement, be it a rough machined forging, a finish-machined piece, or even a Turn-Key component including welding and assembly. In all cases BRÜCK guarantees that your part will leave our facility in accordance to the bespoke requirements, ready for further processing, assembly or installation.

4 BRÜCK Competence in Duplex Stainless Steel Duplex and Super Duplex

Retaining the correct material properties within the forged and weld

fundamental understanding of the geometry of the weld, the

Offshore Expertise BRÜCK s duplex reputation is built upon our

We have supplied thousands of rings and forgings in duplex and super

4 4 BRÜCK Competence in Duplex Stainless Steel Duplex and Super Duplex Welding BRÜCK has the in-house capabilities and the expertise to weld duplex and super duplex products. Existing, qualified welding processes are GTAW, GMAW and SAW. Retaining the correct material properties within the forged and weld metal not only requires approved weld qualification, but a fundamental understanding of the geometry of the weld, the accessibility and the final machined contours. Offshore Expertise BRÜCK s duplex reputation is built upon our Offshore expertise. We have supplied thousands of rings and forgings in duplex and super duplex stainless steel to the Offshore industry. Parts with net weights ranging from 200 kg up to kg have been delivered, typically with Classification Society approval and/or NORSOK qualification.

5 Turnkey Component Assembly and Testing BRÜCK s support to the Offshore industry does not end

Since 1999, we have completed Turnkey Projects with Factory Acceptance Testing for assemblies

The material of choice for the assemblies is often duplex and super duplex.

5 5 Turnkey Component Assembly and Testing BRÜCK s support to the Offshore industry does not end with the delivery of finish-machined duplex forgings. Since 1999, we have completed Turnkey Projects with Factory Acceptance Testing for assemblies designated for offshore and subsea usage. The material of choice for the assemblies is often duplex and super duplex. Our Turnkey customers benefit greatly from a partner who understands and controls every step in the duplex manufacturing chain. Our scope of supply does not end with the delivery of the assembly. We assist with installation at the customers site or ship yard and supply the complete documentation in form of Data Record Books ready for the Classification approval. Courtesy of SOFEC courtesy of APL

product, or component. Our state-ofthe-art engineering tools are the basis for this all-inclusive approach.

6 6 BRÜCK Competence in Duplex Stainless Steel Integral View At BRÜCK, we consider all hot operations and machining as one integral process. Our integral view on the entire process chain enables us to optimize each individual operation without sacrificing the quality and within the shortest possible production time of the complete product, or component. Our state-ofthe-art engineering tools are the basis for this all-inclusive approach. NORSOK Qualifications: BRÜCK holds qualifications for the following products and wall thicknesses in duplex and super duplex as per NORSOK latest revision, M650 Rev. 4. Material (ASTM A182) Norsok M-630 MDS UNS No. Product Wall Thickness to be qualified (mm) Ring Weight of qualification part (kg) Dimensions Outer Dia. / Inner Dia. / Height (mm) / / F51 D / Hollow Forging / / Disc /0-400/ F53 D Ring / / Ring / / F55 D Hollow Forging / / (Larger wall thicknesses possible upon individual assessment. For further information please also ask for our duplex reference list.)

Latest Engineering Tools Providing the best solution to our customers is only possible if

Based on BRÜCK s decades of experience, we identify and define the production processes and

Through Finite Element Analysis (FEA) of the hot forming and heat treatment in combination with

alternative solutions before production has started.

projects, using our proprietary FEA of hot forming and heat treatment/quench technology.

recommendation, BRÜCK has implemented production process innovations based upon in-house R&D;

products exposed to cathodic protection. Residual Stresses Reduction.

7 Latest Engineering Tools Providing the best solution to our customers is only possible if processes and materials are understood. Based on BRÜCK s decades of experience, we identify and define the production processes and material analysis thoroughly. Through Finite Element Analysis (FEA) of the hot forming and heat treatment in combination with material simulation software, we gain a deeper insight into the production processes and the effects of alloy chemistry variation. This enables us to adjust production and alloy composition to customer needs and to provide alternative solutions before production has started. The feasibility of thick-wall items can be studied in the Design and Engineering phase of projects, using our proprietary FEA of hot forming and heat treatment/quench technology. 7 Hydrogen Induced Stress Corrosion Cracking (HISCC) Following the DNV-RP-F112 fabrication recommendation, BRÜCK has implemented production process innovations based upon in-house R&D; resulting in improved austenite spacing and thus reduced risk of crack propagation in duplex products exposed to cathodic protection. Residual Stresses Reduction. Residual Stress is particularly critical for duplex materials. BRÜCK have performed R&D on this subject based upon the HISCC phenomena with observations and measurements made at machining of thick-wall forgings. By utilising non-conventional processes, BRÜCK have developed methods, by which the residual stresses can be reduced, minimising the risk of part deformation at rough and final machining.

BRÜCK Your Partner in Duplex Stainless Steel Branches: BRÜCK GmbH Ensheim Oil and Gas Sales Brückstraße 16 D-66131 Saarbrücken Telefon: +49 6893 84-0 Telefax: +49 6893 84-233 E-Mail:

8 BRÜCK Your Partner in Duplex Stainless Steel Branches: BRÜCK GmbH Ensheim Oil and Gas Sales Brückstraße 16 D Saarbrücken Telefon: Telefax: BRÜCK Rohrverbindungen Hilden GmbH Mühlenbachweg 26 D Hilden Phone: Fax: hilden@bruck-forgings.com BRÜCK Pipeconnections BV Voltaweg 2 NL-6101 XK Echt Phone: Fax: nl@bruck-forgings.com BRUCK UK Ltd. 28/30 Wolverhampton Street UK-Dudley DY1 1DB Phone: Fax: uk@bruck-forgings.com BRUCK USA Inc W.Sam Houston PKWY N. Houston, Texas Phone: Fax: usa@bruck-forgings.com Nalbacher Druckhaus / BRÜCK GmbH Ensheim Brückstraße 16 D Saarbrücken Commercial Register: HRB 6080 Municipal Court Saarbrücken VATIN: DE

Originally presented at ASM International, Materials Solutions, Columbus, Ohio in October 2004 Richard Bolton MEng, AMIChemE, Area 42 Consulting

Originally presented at ASM International, Materials Solutions, Columbus, Ohio in October 2004 Richard Bolton MEng, AMIChemE, Area 42 Consulting A User s Perspective 2014 Geoff B Associates This document is the property of the course instructor, prepared by the course instructor for exclusive use in the delivery of technical training programmes.