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.030" ER4043 Almigweld Aluminum MIG Wire 1 lb 4" Spool

Airgas Part #:ATC404301030

Alcotec Wire Co

Manufacturer #:404301030



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$13.49 /US Pound
Package Size: 1 US pound
$13.49 US Pound
$13.49 US Pound
$242.82 Carton 18 US pound / Carton

In Stock

Item Details

  • AlcoTec Almigweld ER4043 .030" Aluminum MIG Welding Wire comes in 4" spool of 1 lb and offers brighter, smut free welds. 4043 Series alloy is the commonly used welding and brazing alloy. Alloy is less sensitive to weld cracking and when used with silicon addition offers more fluidity. Alloy is suitable for welding filler wire, spray and flame metalizing wire applications. Alloy is ideal for automotive, recreation, containers and aerospace industry applications. Non-heat treatable wire with silicon as principle alloying element complies with AlSi5 ISO designation. It meets ANSI/AWS A5.10, AMS 4190 specifications.


  • Non-heat treatable
  • EN ISO 18273 designation AlSi5
  • Principle alloying elements: Silicon
  • The silicon additions result in improved fluidity (wetting action) to make the alloy a preferred choice by welders
  • The alloy is less sensitive to weld cracking and produces brighter, almost smut free welds
  • Traceability mine to spool number
  • Wire diameter controlled to 1/10 of the AWS A5.10 specification
  • Feedability patented process to optimize feeding characteristics


  • ANSI/AWS A5.10 (ER and R)
  • AMS 4190


  • Welding Filler Wire
  • Spray And Flame Metalizing Wire
  • Automotive
  • Aerospace
  • Recreation
  • Containers
  • Industries


  • Always use in accordance with the Material Safety Data Sheet (MSDS)

Product Attributes


» .030"


» 1 lb

AWS Classification

» ER4043

Trade Name

» Almigweld

Spool Diameter

» 4"