Clad sheet welding techniques and suggestions

摘要

A clad weld is the continuous couplingbetween a support, usually steel and a corrosionresistant sheet metal. The weld between the twomust not only guarantee the integrity of thestructure and metal continuity but has to maintainthe characteristics of the clad weld as much aspossible. The article looks at the following metals assupport, ferrite stainless steels AISI 400 series,austenitic stainless steels AISI 300 series, duplexstainless steels, nickel and nickel alloys, copper andcopper alloys, titanium and titanium alloys,zirconium and zirconium alloys. The combinationof support metals and cladding materials aresummarised in Table 1. The article describes indetail, for each cladding type, the principal weldingproblems, applied techniques and practicalrecommendations in particular the welding of sheets with titanium or zirconium.