As anyone who has ever repaired a cracked cast-aluminum rim can tell you, it contains contaminants, particularly oil, that ...

A close-up view of one of the AA7075 welds The resulting welded joints have a tensile strength of up to 392 megapascals – by contrast, the commonly-used 6061 aluminum alloy has a weld strength ...

A PTFE liner is inexpensive and will work fine with the aluminum wire. If you want to do normal welding later ... for solid wire and gas. The chart in the welder shows that you can use it for ...