Assembly of ferritic stainless steel tubes on a carbon steel tub

Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate

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165178, F28F 918

Patent

active

046179909

ABSTRACT:
Assembly of tubes in low carbon ferritic stainless steel having 17 to 18.5% by weight of chromium on a tube-plate of carbon steel. It includes at least one overlay of low carbon steel on the surface of the tube-plate opposite the plurality of tubes, of such thickness that the ends of the tubes are located at an intermediate level of the overlay, and weld beads between the ends of the tubes and the overlay.

REFERENCES:
patent: 2785459 (1957-03-01), Carpenter
patent: 3257710 (1966-06-01), Brown et al.
patent: 3440391 (1969-04-01), Apblett
patent: 4071083 (1978-01-01), Droin
patent: 4221263 (1980-09-01), Meyer

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