• Specification:
  • Model: ER4043
  • Diameter:  0.035" (0.9 mm) 
  • Roll Weight: 1 Lb
  • Quantity: 1 Roll
  •  
  • Description:
  • ER4043 Aluminum MIG Welding Wire 0.035" (0.9 mm) 1-lb Roll Welding Wire

    Specification:

    Model: ER4043

    Diameter:  0.035" (0.9 mm) 

    Roll Weight: 1 Lb

    Quantity: 1 Roll

     

    Description:

    ER4043 WELDING WIRE: A premium 5% silicon aluminum (AlSi5) filler metal designed for the MIG welding process. This composition delivers excellent fluidity and wetting characteristics, making it ideal for welding a wide range of aluminum alloys. It features a melting range of 1065°F to 1170°F, a density of 0.097 lbs/in³, and produces a consistent gray finish after anodizing.
    EXCELLENT PERFORMANCE: The addition of silicon significantly enhances fluidity and wetting action, making this alloy a preferred choice among welders. It also improves crack resistance, ensuring a durable, long-lasting bond. The wire offers good corrosion resistance and is renowned for producing smooth, clean welds with minimal spatter.
    VERSATILE APPLICATIONS: Whether you’re tackling metal fabrication, auto repair, equipment maintenance, or DIY projects, this versatile welding wire delivers professional results every time.
    MATERIAL COMPATIBILITY: Suitable for welding various grades of aluminum, including 3003, 3004, 5052, 6061, 6063, as well as casting alloys such as 43, 355, 356, and 214.
    SPECIFICATION: Weight:1 lb / Diameter:.035 inch.

     

    Package List:

    1 Pack ER4043 0.035" Welding Wire 1-lb

     

    Notes:

    Due to manual measurement,please allow a little error and make sure you do not mind before ordering.
    Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.Please take the real one as standard.


    Item Specifics
    Country of Origin United States
    Brand waltvotur
    MPN WA5268879UR
    Type Welding Wire
    Diameter 0.035 Inch (0.9 mm)
    Model ER4043
    Roll Weight 1 Pound
    Material Aluminum
    Quantity 1 Roll

    Payment

    Shipping will be arranged within 3 business day once payment is cleared.

    Shipping

    1.Usually your Items will be shipped within 1-3 business day after your payment is cleared.
    International orders may take 10 to 30 business days to arrive.
    2.We have CA, NJ  warehouses and ship items may vary according to the stock.
    3.No shipping on Weekends or US Public Holidays.

    Returns

    1.You can return your unused items back for exchange or refund within 30 days.
    2.Please contact us for return process before you return the item.

    Contact Us

    If there is any fault or problem with the product, please don't be shy to express it, we will solve it at the first time.

    The Store

    This is waltyotur.   Our shop is mainly engaged in two major products: garden outdoor and industrial supplies.   The garden outdoor products mainly include lawn mower accessories (carburetor, repair kit, lubrication system, igniter coil, seat, spindle) and anti-grass cloth, knitting rope, seedling cup and gallon basin.   Industrial supplies mainly include lathe processing, hand tools, industrial consumables, industrial control systems and decoration supplies.   Our store products are affordable, quality assurance, is a good choice for shopping

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    Help & Info
    Payment Policy
    Shipping Policy
    Return Policy
    FAQ
    About Us
    ER4043 Aluminum MIG Welding Wire 0.035" (0.9 mm) 1-lb Roll Welding Wire

    Specification:

    Model: ER4043

    Diameter:  0.035" (0.9 mm) 

    Roll Weight: 1 Lb

    Quantity: 1 Roll

     

    Description:

    ER4043 WELDING WIRE: A premium 5% silicon aluminum (AlSi5) filler metal designed for the MIG welding process. This composition delivers excellent fluidity and wetting characteristics, making it ideal for welding a wide range of aluminum alloys. It features a melting range of 1065°F to 1170°F, a density of 0.097 lbs/in³, and produces a consistent gray finish after anodizing.
    EXCELLENT PERFORMANCE: The addition of silicon significantly enhances fluidity and wetting action, making this alloy a preferred choice among welders. It also improves crack resistance, ensuring a durable, long-lasting bond. The wire offers good corrosion resistance and is renowned for producing smooth, clean welds with minimal spatter.
    VERSATILE APPLICATIONS: Whether you’re tackling metal fabrication, auto repair, equipment maintenance, or DIY projects, this versatile welding wire delivers professional results every time.
    MATERIAL COMPATIBILITY: Suitable for welding various grades of aluminum, including 3003, 3004, 5052, 6061, 6063, as well as casting alloys such as 43, 355, 356, and 214.
    SPECIFICATION: Weight:1 lb / Diameter:.035 inch.

     

    Package List:

    1 Pack ER4043 0.035" Welding Wire 1-lb

     

    Notes:

    Due to manual measurement,please allow a little error and make sure you do not mind before ordering.
    Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.Please take the real one as standard.

    Item Specifics
    Country of Origin :United States
    Brand :waltvotur
    MPN :WA5268879UR
    Type :Welding Wire
    Diameter :0.035 Inch (0.9 mm)
    Model :ER4043
    Roll Weight :1 Pound
    Material :Aluminum
    Quantity :1 Roll


    Shipping will be arranged within 3 business day once payment is cleared.

    1.Usually your Items will be shipped within 1-3 business day after your payment is cleared.
    International orders may take 10 to 30 business days to arrive.
    2.We have CA, NJ  warehouses and ship items may vary according to the stock.
    3.No shipping on Weekends or US Public Holidays.

    1.You can return your unused items back for exchange or refund within 30 days.
    2.Please contact us for return process before you return the item.

    If there is any fault or problem with the product, please don't be shy to express it, we will solve it at the first time.

    This is waltyotur.   Our shop is mainly engaged in two major products: garden outdoor and industrial supplies.   The garden outdoor products mainly include lawn mower accessories (carburetor, repair kit, lubrication system, igniter coil, seat, spindle) and anti-grass cloth, knitting rope, seedling cup and gallon basin.   Industrial supplies mainly include lathe processing, hand tools, industrial consumables, industrial control systems and decoration supplies.   Our store products are affordable, quality assurance, is a good choice for shopping


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    On Apr 7, 2026 at 03:26:42 PDT, seller added the following information:

    Datacaciques