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Aluminum 5356 filler rod is a non-heat treatable alloy that is used for welding 5XXX and 6XXX series aluminum alloys. It is one of the most popular aluminum filler alloys, alongside 4043.

5356 filler rod has a nominal composition of 5.1% magnesium, 0.5% manganese, 0.2% chromium, and 0.1% titanium. These alloying elements provide the filler rod with good strength, ductility, and toughness.

5356 filler rod can be welded using a variety of welding processes, including TIG, MIG, and stick welding. It is typically used for welding applications where high strength is required, such as in the aerospace, marine, and automotive industries.

Here are some of the benefits of using 5356 filler rod:

• Good strength and ductility
• Good toughness
• Can be welded using a variety of welding processes
• Good anodized color match
• Resistant to stress corrosion cracking

Here are some of the applications of 5356 filler rod:

• Welding of 5XXX and 6XXX series aluminum alloys
• Aerospace applications
• Marine applications
• Automotive applications
• Pressure vessels
• Structural applications
• Heat exchangers
• Tanks