Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

ALCOTEC Welding Wire: Aluminum, ER4043, 0.03 in - ER4043 MIG Welding Wire
ALCOTECER4043 MIG Welding Wire

ALCOTEC Welding Wire: Aluminum, ER4043, 0.03 in

The ALCOTEC ER4043 MIG Welding Wire is an aluminum welding wire supplied in a 1 lb spool with a 0.03 in diameter. It offers a tensile strength of 34 ksi and a yield strength of 28 ksi as welded. This product is…

SKU 3G-OTH-357240

Brand
ALCOTEC
Item
Welding Wire: Aluminum, ER4043, 0.03 in
Category
ER4043 MIG Welding Wire
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

ALCOTEC
Manufacturer Part Number
404301030
Tensile Strength (As Welded)
34 ksi
Yield Strength (As Welded) (Merch)
28 ksi
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ALCOTEC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ALCOTEC ER4043 MIG Welding Wire is an aluminum welding wire supplied in a 1 lb spool with a 0.03 in diameter. It offers a tensile strength of 34 ksi and a yield strength of 28 ksi as welded. This product is designed for MIG welding applications using aluminum ER4043 filler metal.

Frequently Asked Questions

What is ALCOTEC ER4043 MIG Welding Wire used for?

ALCOTEC ER4043 MIG Welding Wire is used for welding aluminum alloys in fabrication, automotive, and marine applications. It provides good crack resistance and fluidity, making it suitable for joining castings and extrusions where a smooth, clean weld bead is required.

What are the specifications of ALCOTEC ER4043 MIG Welding Wire?

The ALCOTEC ER4043 MIG Welding Wire has a 0.03 in diameter, comes on a 1 lb spool, and offers a tensile strength of 34 ksi and a yield strength of 28 ksi as welded. It is an aluminum filler metal designed for MIG welding processes.

Where to buy ALCOTEC ER4043 MIG Welding Wire worldwide?

3G Electric supplies ALCOTEC ER4043 MIG Welding Wire to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this aluminum welding wire.

How to select the right ALCOTEC MIG Welding Wire diameter?

Select the ALCOTEC MIG Welding Wire diameter based on material thickness and joint design. For thin aluminum sheets, a 0.03 in diameter like this ER4043 wire provides good control and minimal heat input. Always match the filler alloy to the base metal for best results.

Used in

Common applications for ALCOTEC
Structural fabrication — ALCOTEC ER5356 MIG wire for welding 5083 aluminum in marine components
Automotive repair — ALCOTEC ER4043 MIG wire for joining 6061 aluminum brackets and frames
General manufacturing — ALCOTEC ER4043 MIG wire for welding aluminum castings in pump housings
Maintenance and repair — ALCOTEC ER5356 MIG wire for rebuilding aluminum equipment parts
Aerospace tooling — ALCOTEC ER4043 MIG wire for fabricating aluminum jigs and fixtures

ALCOTEC Products

3G Electric supplies ALCOTEC er4043 mig welding wire. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from ALCOTEC

View all ALCOTEC parts
ALCOTEC MIG Welding Wire: Aluminum, ER4043, 1/16 in, 20 lb (MPN 404320062). Key specifications — Brand: ALCOTEC; Tensile Strength (As Welded): 34 ksi; Yield Strength (As Welded) (Merch): 28 ksi.
ALCOTEC
ALCOTEC MIG Welding Wire: Aluminum, ER4043, 1/16 in, 20 lb (MPN 404320062). Key specifications — Brand: ALCOTEC; Tensile Strength (As Welded): 34 ksi; Yield Strength (As Welded) (Merch): 28 ksi.