How To Weld Marine Grade Aluminium. One of aluminium grade 5xxx uses. How I like to weld 6061 Aluminum Pipe I used 5356 Filler metalthis is a video I made on how I like to weld aluminum pipe.
Despite this aluminum is still the material of choice for many engineers. Grade 6082 Aluminium alloy provides good weld ability however the strength located at the weld zones is lowered. Aluminum Grade-Temper General Yield strength psi Ultimate Tensile Strength psi Workability Weldability.
If you are welding 6082 alloy to its self then it is recommended that alloy 4043 wire is used.
The reason you cant find a recommended filler metal for 7075 is that it is usually considered to be unweldable with arc welding. The term comes from the bumping motion you make when tryi. The weld strength can be 90 to 95 of the strength of the base metal. Very wide range of uses because of great qualities constructions storage tanks and pressure vessels electronics and beverage cans.