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Weldcote Metals

Weldcote Metals 4043 Aluminum Stick Electrode - 1/2# Package (1/8" Diameter)

Weldcote Metals 4043 Aluminum Stick Electrode - 1/2# Package (1/8" Diameter)

30018X12

$36.41
Shipping: Free ground to lower 48 on qualifying orders.
Smooth 340 features a precise combination of core wire and coating, providing high speed deposition of dense, machinable welds. It is recommended for fabrication and repair of c...
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Automatic savings: 5% off $150+ · 7% off $300+ (applied at checkout — no code)
Typically ships within 1–2 business days. Shipping: Free ground to lower 48 on qualifying orders.
Ships from
Corydon, IN
Free ground
Lower 48 (qualifying)
Returns
Unused / original packaging

Fitment Help

Before ordering, confirm this part fits your equipment.

  • Check your equipment model number
  • Verify the specifications match your requirements
  • Review the product description for compatibility details

Not sure? Email us at sales@arcweldinc.com with the part number, your equipment model, and application—we'll confirm the correct part before you order.

Shipping & Returns

  • Ships from: Corydon, Indiana
  • Fulfillment: Lead time shown above (defaults to 1–2 business days unless noted)
  • Shipping: Free shipping on ground orders to lower 48 states (qualifying orders)
  • Pickup: Available at our Corydon location (usually ready in 2–4 days)
  • Returns: Accepted on unused items in original packaging

Discounts: 5% off $150+ and 7% off $300+ apply automatically at checkout (no code).

Ordered the wrong part? Contact us at sales@arcweldinc.com before opening—we'll help you exchange for the correct one.

Smooth 340 features a precise combination of core wire and coating, providing high speed deposition of dense, machinable welds. It is recommended for fabrication and repair of cast and wrought aluminum. It is excellent for foundry defects, machining errors and all types of salvage work. It is widely used on sheets, tubes and extrusions in thicknesses of 1/8” or more. Smooth 340 is also well-suited to torch application. *RECOMMENDED AMPERAGES (DC REVERSE POLARITY) 3/32” x 14” (2.4 mm x 350mm) 50-85 amps 1/8” x 14” (3.2 mm x 350mm) 80-135 amps 5/32” x 14” (4.0 mm x 350mm) 100-165 amps
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