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1/16" X 36" #4043 Aluminum by Washington Alloy (TB 4043 04)

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1.01 LBS
Unit of Measure:
1/16" x 36"
5% Discount Tube:
Manufacturer Part Number (MPN):
TB 4043 04

1/16" X 36" #4043 Aluminum by Washington Alloy (TB 4043 04)


The 1/16" X 36" #4043 ALUMINUM (16-803) is an aluminum welding electrode by Washington Alloy. The E4043 (also known as AlSi5) is a 5% silicon aluminum filler metal used in MIG or TIG welding processes. This alloy is convenient for welding alloys 3003, 3004, 5052, 6061, 6063, with casting alloys in 43, 355, 356, and 214. The melting temperature of Washing Alloy 4043 is 1065° - 1170°F, and the density is 0.097 lb/cu-in

Key Features:

  • Gray is the post-anodizing color tint.
  • The maximum compressive strength is 29,000 psi.
  • The melting temperature range is 1065–1170°F.
  • Tools that are both practical and efficient for getting the job done right.
  • The pinnacle of dependability, convenience, and usability
  • It works best when used with a clean or prepared welding surface


  • SKU: 16-803
  • Weight: 1.01 LBS
  • MPN: TB 4043 04
  • 5% Discount Tube: 5#
  • Length: 36"
  • Rod Diameter: 1/16"
  • AWS Classification: E4043
  • Material: Aluminum
  • Tensile Strength: 27,000 PSI
  • Brand: Washington Alloy
  • Condition: New


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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

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