The Examination and Tests of Welded Parts for Steam Power Plant

Author:

Goodger A. H.1

Affiliation:

1. National Boiler and General Insurance Company, Ltd., Manchester.

Abstract

The object of the paper is to give the results of certain experimental and routine inspection work rather than to lay down rules of inspection and testing. An outline is given of the margin obtained between some of the properties and requirements of actual drums and the specified limits. European practice appears to favour acetylene welding for the butt welding of tubes. Normally acetylene welds do not suffer from basal cracking, but they do suffer from lack of penetration; the paper gives methods by which this can be avoided, and suggests forms of joints for tubular welds. The inspection of tubular welds presents many problems, but certain non-destructive tests have been successfully applied, and a number of X-ray examinations on site are described. A useful method of inspecting large numbers of tubular welds by sample consists in carrying out a reverse bend test on a tongue sawn out of the tube and pressed round a former. The paper also contains the results of extensive experience of the heat treatment of welds on site.

Publisher

SAGE Publications

Subject

General Engineering

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Some Operating Experiences with High-Pressure Steam Power Plant;Proceedings of the Institution of Mechanical Engineers;1949-06

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