This video shows tips for an aluminum welding test in 3g position as shown in AWS D17.1 aerospace welding specification. This test typically gets an x ray test also known as radiographic test (RT). There is also a provision for a bend test in lieu of X ray but most companies just use x ray. proper cleaning very important for passing this test and proper cleaning means filing the edge with a clean file and wire brushing with a clean stainless wire brush followed by acetone wipe immediately prior