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Abstract
The influence of different types of buffer layer for type 308 austenitic stainless steel surface overlays with 19-21% chromium and 10-12% nickel contents was analysed.
The cladding passes were deposited on carbon steel test samples by the automatic submerged-arc welding process.
Experimental tests were conducted on buffer layers having seven different chemical compositions and the results obtained are reported and discussed in the article.
The experimental results allow the selection of the most suitable buffer layer to be deposited in order to obtain the required cladding performance in service.