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Fact File Duplex
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Duplex Steel Fact File
Fabrication
Some pitfalls in welding duplex stainless steels
In this technical paper, Damian Kotecki looks at regularly occuring pitfalls in welding duplex stainless steels from the standpoint of metallurgical experience. Examples cited at inappropriate base metal specifications......
Centrifugally cast duplex stainless steels
From Spuncast, Inc, USA, Messrs Martin, Mooren and Holz reveal the benefits of casting as a metal forming technique for duplex. The ability to produce near-net shapes can be very cost-effective....
Duplex welding: best practices
Staff at Fluor Canada indicate how fabricators can best achieve an appropriate phase balance in weldments....
Efficient trailers from LDX 2101
In Queensland, Australia, Noosa Cat have used lean duplex as a cost effective alternative to galvanized steel for trailer production....
Electron beam welding of superduplex stainless steel
Mr Chavdarov (Technical University of Sofia, Bulgaria) discusses the influence of welding parameters upon the shape of the weld, the microstructure and respectively the precipitation of second phases in 10mm thick superduplex stainless steel plates....
High strength duplexes for wire applications
Discussions of recent wire developments in high strength SAF 2205 and super high strength SAF 2205SH. ...
Investigating key properties of large thickness DSS forgings
With demand for heavy parts with large wall thicknesses increasing in the offshore industry, Bruck Forgings has looked at optimisation of forging and heat treatment processes to ensure parts of high quality. Author Dominich Bruch, Bruck Forgings, Germany...
Joining duplex stainless steel
Hector Leppky argues that people with little or no experience would do well to follow a rigid set of guidelines when joining duplex stainless steels....
Practical aspects for production welding of duplex
The authors, C. Baxter and M. Young, present good welding practices for duplex and super duplex. Isues such as welding procedure design, heat input and interpass temperature are discussed....
Welding consumables for lean duplex stainless steels
To fully exploit lean duplex stainless steels it is important to be able to join them. This paper, written by experts at Metrode Products, compares possible arc welding consumables. Recommendations are also given for a composition for newly developed consumables....
See the Library for a complete collection of articles.
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