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Metal Science and Heat Treatment
Published in: Metal Science and Heat Treatment 7-8/2011

01-10-2011

Effect of post-welding heat treatment on secondary hardening of welded joints of Cr – Mo – V steel

Authors: P. Mohyla, P. Tomèík, L. Beneš, I. Hlavaty

Published in: Metal Science and Heat Treatment | Issue 7-8/2011

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Abstract

Steels T23 and T24 developed as materials for welding water cooling membranes without using post-welding heat treatment are studied. The mechanical properties and the microstructure of welds of these steels are determined in the initial condition and after tempering. It is shown that post-welding treatment of welds of steels T23 and T24 is a necessary operation.
previous article Prevention of crack formation in the production of welded ring preforms from hot-rolled shapes of aging nickel alloys
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Literature
1.
A. Tohyama and Y. Minami, “Development of 2Cr – Mo – W –Ti – V – B ferritic steel for ultra super critical boilers,” in: Proc. of COST Progr., Part I, Materials for Advanced Power Engineering (1998), Vol. 5, ISBN 3-89336-228-2.
2.
A. Karlsson, F. Rasmussen, and M. Montgomery, “On-plant test of TÜV HCM12 and ASME T23 alloys for use as water wall materials,” Key Eng. Mater., Trans. Tech. Publications, Switzerland, 171 – 174, 169 – 178 (2000).CrossRef
3.
The T23/T24 Book, New Grades for Waterwalls and Superheaters, Vallourec & Manesmann (2001).
4.
H.Wortel, “P23 and P24 power generation and hydrogen service – challenges and limitations,” in: 27. Vortragsveranstaltung, 26.11.2004, Stahlinstitut VDEh, Düsseldorf (2004), pp. 21 – 31.
5.
J. Pecha and J. Meško, “Weldability of new creep resistant Cr – Mo steel with tungsten content,” Mater. Eng., 13(2), 9 – 14 (2006).
6.
P. Mohyla, Changes of Mechanical Properties of Crmov Steel Welds During Long Term Heat Exposure in Sub-Creep Range, Ph. D. Thesis, VŠB – TU, Ostrava (2001).
7.
C. M. Sellars, in: Proc. Creep Strength in Steel and High Temperature Alloys, ISI Meeting, Sheffield, 20 – 22 Sept. (1972).
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M. F. Ashby, in: Physics of Strength and Plasticity, MIT Press (1969), p. 113.
Metadata
Title
Effect of post-welding heat treatment on secondary hardening of welded joints of Cr – Mo – V steel
Authors
P. Mohyla
P. Tomèík
L. Beneš
I. Hlavaty
Publication date
01-10-2011
Publisher
Springer US
Published in
Metal Science and Heat Treatment / Issue 7-8/2011
Print ISSN: 0026-0673
Electronic ISSN: 1573-8973
DOI
https://doi.org/10.1007/s11041-011-9401-3

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