... magnesium alloy welding rod 2. Diameter: 1.2, 1.6, 2.0, 2.4, 3.0mm 3. Customize as clients' requirement Magnesium alloy welding rod AZ31:1. Our company, Tianjin ZhengAo International Trading Co., LTd ... .2. The specifications covered include:-UK – British Standard BSL, BS2970, MOD DTD series, Rolls Royce MSRR.USA – ASTM, AMS, QQ-M, AWS ...