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A fascinating construction project with LDX 2101 duplex in the historical city of Tampere, Finland
When reconstructing a dam’s flood gates in a historical setting and building a pedestrian bridge in heritage surroundings, a lot more factors may have to be paid attention to than you would initially ...
Characterization of lean duplex
The structural and mechanical properties of two low nickel duplex grades are analyzed to assess structural stability....
Classification of duplex steel grades
Classification and composition of the various grades of duplex stainless steels....
Comparative study of corrosion and environmental cracking properties of 316L and lean duplex alloys
In this investigation, a comparative test plan was developed to determine how some common lean duplex alloys would perform in offshore environments relative to Alloy S31603. The comparative test pla...
Corrosion prevention and protection
Giel Notten discusses materials selection using duplex stainless steels....
Experience manufacturing alloy 19D seam welded lean duplex stainless steel tubing for subsea umbilical applications
This paper looks at the joint development program conducted to produce seam welded alloy 19D tubing. Its suitability for subsea umbilicals is also reviewed....
Improving your efficiency
The authors discuss how duplexes can replace standard stainless steel grades in a range of applications...
Influence of phase transformations
Sandvik’s Jan-Olof Nilsson and Pasi Kangas discuss the influence of phase transformations on the mechanical and corrosion properites of duplex....
Integration and innovation drive the fast-changing world of desalination
The fast expanding desalination market is an important one for stainless steels, particularly duplex, says James Chater...
Inter-metallic observations using a backscattering technique on 25Cr super duplex stainless steel alloy
Engineers at the University of Aberdeen investigated the susceptibility of super duplex to sigma and chi phase precipitation after heat treatment and water quenching....
Lean duplexes can keep costs down
In this interview with Stainless Steel World,ExxonMobil's Mr Brian Fitzgerald discusses the potential of lean duplexes....
Physical metallurgy of duplex steel and the issues for thick castings
Research workers at Allard-Europe look into the manufacturing variables of duplex that establishes the upper limit on the thicknesses of the metal that can be cast successfully......
Right material choice not about money
Interview with Mr Hachemi Loucif, General Manager of the Water Treatment Business and Head of Desalination Business Group Sales & Marketing at Outokumpu Stainless in Degfors, Sweden....
Slowly but surely, duplex continues to penetrate more products
Duplex stainless steel still accounts for only a small portion of the total consumption of stainless steel. This is likely to remain the case, but there is still plenty of room for growth, as more gra...
Some pitfalls in welding duplex stainless steels
Mr Kotecki assesses regularly occuring pitfalls....
The use of duplex stainless steel grades in tubular products
This paper by by Mikael Paijkull et al. compares the duplex family to traditional austenitic grades. Its main focus is to show duplex’s weight-saving possibilities in not only high-pressure tubing s...
Thermal and mechanical treatments effects on phase transformation in duplex stainless steels
This paper concerns the phase transformation induced by heat treatment and cold rolling in four duplex stainless steels. ...
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