Assembly device of ferritic stainless steel tubes on a carbon tube-plate, and process for producing this device
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United States of America Patent
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Jul 18, 1989
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N/A
app pub date -
Jan 22, 1988
filing date -
Jul 6, 1983
priority date (Note) -
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Abstract
Assembly device 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.
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