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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...
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....
Hyper duplex for deepsea applications
A new generation of umbilicals has been developed that provides increased strength, better fatigue life and enhanced corrosion resistance. Sandvik’s SAF 3207 HD tube material is at the basis....
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 q...
Meeting the welding challenges - an interview with Raghuram Bathula of Tecnimont ICB
You have specified and chosen the material, ordered, received and tested it. But that is only half the battle: the whole process of pre-welding, welding and post-welding treatment still lies ahead of ...
Mount Everest in the sea
For Stainless Steel World, James Chater reports on how duplexes and super duplexes are transforming the offshore industry, thanks to two key properties: corrosion resistance and increased strength lev...
Oil sands challenge Shell Canada
Interview with Nicole Rene de Cotret, Head Pressure Equipment Engineer for Shell Canada, on the use of stainless steels and CRAs in pressure equipment....
Preparing metal tubes for orbital welding
Nadia Reicher Fournel looks at how equipment selection can bring benefits to productivity and quality when orbital welding duplex tubes. ...
The Miskar Field
Back in 2007, Stainless Steel World reported how 700 tons of superduplex is helping BPTunisia unlock the Miskar gas field in the Gulf of Gabes....
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