Best 4043 Aluminum Tig Welding Rods in 2025

Updated on July 2025
#1
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  • Model number: 404330
  • 10lb Package
  • AWS A5.10 R4043
  • Package dimensions:38.0" (L) x 2.5" (W) x 2.5" (H)
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  • Model number: 404330
  • 10lb Package
  • AWS A5.10 R4043
  • Package dimensions:38.0" (L) x 2.5" (W) x 2.5" (H)
#2
Value for Money
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  • contains silicon additives for improved weld pool fluidity
  • delivers a bright weld finish, favored by welders
  • suitable for welding filler wire and spray/flame metalizing applications
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  • contains silicon additives for improved weld pool fluidity
  • delivers a bright weld finish, favored by welders
  • suitable for welding filler wire and spray/flame metalizing applications
#3
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  • ER4043 TIG welding rod is made from a 5% silicon-containing aluminum and silicon alloy, offering high silicon content and excellent heat resistance.
  • Diameter of 3/32" (2.4mm) and length of 16" (406.4mm).
  • Compatible shielding gases include 100% Argon, Helium, or a gas mixture.
  • Commonly used for welding aluminum alloy workpieces and castings in various industries, including rail, chemicals, and food.
  • Designed for ease of use, producing smooth weld seams without the need for post-weld cleaning.
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  • ER4043 TIG welding rod is made from a 5% silicon-containing aluminum and silicon alloy, offering high silicon content and excellent heat resistance.
  • Diameter of 3/32" (2.4mm) and length of 16" (406.4mm).
  • Compatible shielding gases include 100% Argon, Helium, or a gas mixture.
  • Commonly used for welding aluminum alloy workpieces and castings in various industries, including rail, chemicals, and food.
  • Designed for ease of use, producing smooth weld seams without the need for post-weld cleaning.
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#4
5% Off
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  • ER4043 (also known as AlSi5) contains 5% silicon and is a widely used aluminum welding wire suitable for general applications.
  • SHIELDING GAS: Typically requires 100% Argon, Helium, or a gas mix for optimal performance.
  • EXCELLENCE: The silicon content enhances fluidity, reduces sensitivity to weld cracking, and results in a brighter weld appearance.
  • MULTIPLE USAGE: Suitable for aluminum base metals that require thermal treatment as well as for welding forge and casting materials.
  • APPLICATION: Compatible with various aluminum grades, including 3003, 3004, 5052, 6061, 6063, and casing alloys 43, 355, 356, and 214.
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  • ER4043 (also known as AlSi5) contains 5% silicon and is a widely used aluminum welding wire suitable for general applications.
  • SHIELDING GAS: Typically requires 100% Argon, Helium, or a gas mix for optimal performance.
  • EXCELLENCE: The silicon content enhances fluidity, reduces sensitivity to weld cracking, and results in a brighter weld appearance.
  • MULTIPLE USAGE: Suitable for aluminum base metals that require thermal treatment as well as for welding forge and casting materials.
  • APPLICATION: Compatible with various aluminum grades, including 3003, 3004, 5052, 6061, 6063, and casing alloys 43, 355, 356, and 214.
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#5
17% Off
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  • TIG welding rod composed of ER4043 with 5% silicon for improved melt pool liquidity.
  • Requires shielding gas such as 100% argon, helium, or a gas mixture.
  • Compatible with various aluminum alloys, including 3003, 3004, 5052, 6061, 6063, and casing alloys 43, 355, 356, and 214.
  • Designed to minimize weld cracking, offering a stable arc and reduced spatter.
  • Available sizes include 1/8" (3.2mm), 3/32" (2.4mm), and 1/16" (1.6mm) diameters, with a length of 16" (406.4mm) and a weight of 1.8 LB.
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  • TIG welding rod composed of ER4043 with 5% silicon for improved melt pool liquidity.
  • Requires shielding gas such as 100% argon, helium, or a gas mixture.
  • Compatible with various aluminum alloys, including 3003, 3004, 5052, 6061, 6063, and casing alloys 43, 355, 356, and 214.
  • Designed to minimize weld cracking, offering a stable arc and reduced spatter.
  • Available sizes include 1/8" (3.2mm), 3/32" (2.4mm), and 1/16" (1.6mm) diameters, with a length of 16" (406.4mm) and a weight of 1.8 LB.
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#6
5% Off
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  • ER4043 aluminum TIG welding rod with 5% silicon for improved weld pool fluidity
  • Diameter: 1/8" (3.2 mm), Length: 16" (406.4 mm)
  • Stable arc with minimal spatter and low sensitivity to weld cracking; compatible with Argon, Helium, or Argon/Helium shielding gases
  • Suitable for welding various aluminum alloys including 3003, 3004, 5052, 6061, 6063, and casing alloys 355, 356, and 214
  • Includes 5 lbs of 1/8" x 16" ER4043 rods in a plastic case
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  • ER4043 aluminum TIG welding rod with 5% silicon for improved weld pool fluidity
  • Diameter: 1/8" (3.2 mm), Length: 16" (406.4 mm)
  • Stable arc with minimal spatter and low sensitivity to weld cracking; compatible with Argon, Helium, or Argon/Helium shielding gases
  • Suitable for welding various aluminum alloys including 3003, 3004, 5052, 6061, 6063, and casing alloys 355, 356, and 214
  • Includes 5 lbs of 1/8" x 16" ER4043 rods in a plastic case
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#7
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  • 1-pound package of ER4043 aluminum TIG welding rods
  • Available in three diameters: 1/16", 3/32", and 1/8"
  • Each rod measures 36 inches in length
  • Designed for use in TIG welding applications
  • Made from high-quality aluminum material
  • Suitable for a variety of metal welding projects
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  • 1-pound package of ER4043 aluminum TIG welding rods
  • Available in three diameters: 1/16", 3/32", and 1/8"
  • Each rod measures 36 inches in length
  • Designed for use in TIG welding applications
  • Made from high-quality aluminum material
  • Suitable for a variety of metal welding projects
#8
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  • Weldcote Metals Aluminum 4043 TIG welding rod
  • Dimensions: 1/8 inch by 36 inches
  • Weight: 1 pound
  • Designed for aluminum welding applications
  • Suitable for TIG (Tungsten Inert Gas) welding
  • High-quality welding rod for durability and performance
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  • Weldcote Metals Aluminum 4043 TIG welding rod
  • Dimensions: 1/8 inch by 36 inches
  • Weight: 1 pound
  • Designed for aluminum welding applications
  • Suitable for TIG (Tungsten Inert Gas) welding
  • High-quality welding rod for durability and performance
#9
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  • Weldcote Metals is the brand of the welding rod
  • The type of welding rod is Aluminum 4043
  • Dimensions of the rod are 3/32 by 36 inches
  • Weight of the product is 1 pound
  • Designed specifically for TIG welding
  • Suitable for aluminum welding applications
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  • Weldcote Metals is the brand of the welding rod
  • The type of welding rod is Aluminum 4043
  • Dimensions of the rod are 3/32 by 36 inches
  • Weight of the product is 1 pound
  • Designed specifically for TIG welding
  • Suitable for aluminum welding applications
#10
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  • Provides high resistance to corrosion, especially in saltwater environments
  • Recommended for welding 5000 series aluminum alloys
  • Complies with AWS A5.10 standards for welding with DCEP current
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  • Provides high resistance to corrosion, especially in saltwater environments
  • Recommended for welding 5000 series aluminum alloys
  • Complies with AWS A5.10 standards for welding with DCEP current
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