Latest Duplex news

Duplex SS for windmill tubes
15 March 2018

The use of duplex stainless steel in windmills has contributed to its immense popularity. When a wind turbine tower is of a height above 100m, each additional metre increases the average energy output of that turbine by 1%.... Read more...

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Duplex SS Heat Exchangers

04 October 2017

There are a variety of heat exchangers available in the market. One such type is the PillowPlate model, manufactured by Omega Thermo Products B.V.

The pillowplates are heat exchangers manufactured by welding and subsequent inflation of 2205 duplex stainless steel sheets manufactured by Columbus Stainless Pty Ltd and supplied by Acerinox Benelux.

The process consists of overlapping two stainless steel sheets and applying laser welding points all over the surface. Then, an opening is generated at one end where water and nitrogen are injected under pressure, causing an expansion of the ductile metal. Due to the space generated between the two plates, the coolant or heating fluid can circulate.

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