New Corrosion-Resistant Alloy for Composite Floor Tubes in Black Liquor Recovery Boilers, 2001 Engineering / Finishing & Converting Conference Proceedings

N. Otsuka, Y. Yamadera--A new corrosion-resistant alloy of 22%Cr-52%Ni-9%Mo-0.8%Nb was developed for outside material of composite tube. This alloy was designed to improve hot ductility and thermal stability of alloy 625 so that composite tube in combination with inner carbon steel/low-alloyed steels can be manufactured by conventional co-extrusion process. Laboratory corrosion tests demonstrated that the corrosion resistance of this alloy in simulating floor-tube environments is equivalent to alloy 625. Test results of alloy tubes produced by conventional tube manufacturing process are presented.

This paper was presented at the 2001 International Chemical Recovery Conference, sponsored by PAPTAC and TAPPI, June 11-14, 2001, Whistler, BC. Reprinted with permission from PAPTAC.

Author: Otsuka, N., Yamadera, Y.
New Corrosion-Resistant Alloy for Composite Floor Tubes in B
New Corrosion-Resistant Alloy for Composite Floor Tubes in Black Liquor Recovery Boilers, 2001 Engineering / Finishing & Converting Conference Proceedings
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