... , 2.4, 3.0mm 3. Customize as clients' requirement Magnesium alloy welding rod AZ31:1. Our company, Tianjin ZhengAo International Trading Co ... ., LTd. can offer an extensive range of AZ31 magnesium alloy welding rod for TIG (argon arc) welding with high quality in ... affect the welding operation.5. Dimensions:Standard diameters of AZ31 magnesium alloy rod: 1.2mm, 1.6mm, 2.0mm, 2.4mm, 3 ...