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Qualification of welding procedures for aluminium, steel and iron castings

Pfeifer T., Mazur Ł., Rykała J.

Archives of Foundry Engineering

2010

Vol. 10, iss. 1 spec.

325--330

The article presents the qualification process concerned with the following procedures: finishing welding of aluminium castings pursuant to PN-EN ISO 15614-4, production welding of steel castings pursuant to PN-EN ISO 11970 and production- and finishing welding of cast irons pursuant to PN-EN ISO 15614-3. The work enumerates the cases of qualification of welding procedures for aluminium, steel and iron castings and presents details related to test joint designs as well as the manner of their preparation taking into account welding conditions and other technological aspects. The text also contains precise characteristics of test joint examinations and their range of application while qualifying a given welding procedure. In addition, the article informs about test results which justify the qualification of a finishing welding procedure for aluminium castings and test plate butt joints in case of cast irons and cast steels. In all cases particular attention was paid to the range of qualification of procedures for characteristic conditions of the welding process and its basic variables.