Washington Alloy

ER4943 - Aluminum / Silicon TIG Welding Rod - 1lb. Pack

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Minimum Purchase:
1 unit
$24.52 - $27.36



High-quality Washington Alloy® brand Aluminum / Silicon cut-length TIG filler metal. 1lb. Mini Pack.

4943 is high strength 5.5% silicon aluminum filler metal with increased yield /shear strengths recommended for TIG welding of 1XXX, 3XXX, 4XXX, 5XXX (less than 2.5% Mg), 6XXX, grades and cast alloy such as 443, 355, 356 and 214.

Used in many 4043 and 4643 applications yielding elite post weld heat treated requirements.

Precise controlled chemistry gives operator appeal with improvement of feed-ability, less smut, stable arc and discoloration.

AWS A5.10 Grade
Class ER4943
Available Diameters 1/16", 3/32" & 1/8"
Length 36" (914mm)
Weight 1 lb. Pack

Approximate number of rods per 1lb. pack for each diameter:

  • 1/16" (1.6mm): 26 - 30
  • 3/32" (2.4mm): 12 - 16
  • 1/8" (3.2mm): 8 - 10

(Rods per pack is an approximate and varies on metal type)

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Additional Information

Material Type:
Wire Diameter:
1/16" (1.6mm)
Wire Diameter:
3/32" (2.4mm)
Wire Diameter:
1/8" (3.2mm)
Pack Size:
1 lb. Mini Pack
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1 Review

  • 5

    Weld puddle was very consistent. I ordered this…

    Posted by Larry R. on Jan 4th 2022

    Weld puddle was very consistent. I ordered this type of filler rod to determine which type of Aluminum filler rod works best for me.

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