ER4043 - Aluminum Silicon TIG Welding Rod - 1lb. Pack
ER4043 Aluminum Silicon AWS A 5.10 CLASS ER4043. ER4043 (commonly referred to as ALSi-5) is a 5% Silicon Aluminum filler metal that is used primarily for welding Aluminum Alloys 3003, 3004, 5052, 6061, 6063 and Casting Alloys 43, 355, 356, and 214. ER4043 has a melting range of 1,065°F - 1,170°F. The post-anodizing color tint is gray.
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