Titanium clad steel parts are welded together by removing the titanium clad from the steel for a sufficient distance to permit welding of the steel without contaminating the titanium, machining into the titanium clad, adjacent to surface from which the titanium clad was removed, a shelf, welding the steel portion with steel to form a steel joint uncovered by titanium the length of the steel weld, applying a titanium strip over said uncovered steel area but not touching the steel area, said titanium strip resting on the titanium shelves of the parts to be welded, and welding said titanium strip to said titanium clad at each side of said strip.