<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Modern design solutions of power boiler using the welded fin tubes for heat exchangers. Depending on thermal parameters (pressure and temperature), the heat transfer fluid and flue gas these constructions can be preheater, economizers or superheaters. Their use can significantly increase the energy efficiency of boilers. For the manufacture of welded fin tubes are used non-alloy steels and low-alloy C-Mo, C-Cr-Mo. Analysis of project assumptions supercritical blocks indicates that the range of conventional steel for power and martensitic steels has been depleted. Designing higher performance outlet of steam to 720°C and 35MPa requires the use of austenitic steels and nickel alloys. These materials are not easily available and not fully recognized, both technologically and in terms of materials, especially in the area of their weldability. In this work, performed the review of probably directions of development of materials for the finned tubes, with a particular focus on laser welding technology.</p></abstract>

Modern design solutions of power boiler using the welded fin tubes for heat exchangers. Depending on thermal parameters (pressure and temperature), the heat transfer fluid and flue gas these constructions can be preheater, economizers or superheaters. Their use can significantly increase the energy efficiency of boilers. For the manufacture of welded fin tubes are used non-alloy steels and low-alloy C-Mo, C-Cr-Mo. Analysis of project assumptions supercritical blocks indicates that the range of conventional steel for power and martensitic steels has been depleted. Designing higher performance outlet of steam to 720°C and 35MPa requires the use of austenitic steels and nickel alloys. These materials are not easily available and not fully recognized, both technologically and in terms of materials, especially in the area of their weldability. In this work, performed the review of probably directions of development of materials for the finned tubes, with a particular focus on laser welding technology.

Perspectives of Materials for Fin Tubes

Silesian University of Technology, Department of Material Science, Faculty of Material Science and Metallurgy, Katowice, Poland

Advances in Materials Science

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Modern design solutions of power boiler using the welded fin tubes for heat exchangers. Depending on thermal parameters (pressure and temperature), the heat...

Perspectives of Materials for Fin Tubes

Published Online: Oct 15, 2013

Page range: 17 - 25

DOI: https://doi.org/10.2478/adms-2013-0008

Keywords
fin tubes, steel for energy, nickel superalloys, heat exchangers

This content is open access.

Perspectives of Materials for Fin Tubes

Published Online: Oct 15, 2013

Page range: 17 - 25

DOI: https://doi.org/10.2478/adms-2013-0008

Keywordsfin tubes, steel for energy, nickel superalloys, heat exchangers

This content is open access.

Keywords
fin tubes, steel for energy, nickel superalloys, heat exchangers