... % magnesium and parts of wrought aluminum alloy of 5000 series, part of 6000 series, 7000 series, such as 5050, 5052, 5083, 5456, 6005A, 6061 ... general puprose filler alloy,designed for the welding of 5xxx series alloys,when 40kis (276Mpa) tensile strength is not required .Excellent ...