Duplex/super duplex er vel det beste man kan få tak i av rustfritt stål, så det burde være meget godt egnet.
Se f.eks. denne:
"The duplex stainless steels family is halfway between austenitic and ferritic stainless steels and combines the best aspects of both. Due to their combination of excellent mechanical properties and corrosion resistance, duplex stainless steels are used in a wide range of applications such as the chemical, petrochemical, food, paper, pharmaceutical and marine industries as well as in many other fields"
Mechanical properties of duplex stainless steel laser joints
Welding International | May 1, 2006| Amigà ³ , V; Bonache, V; Teruel, L; Vicente, A
http://www.encyclopedia.com/doc/1P3-1045966061.html