---
product_id: 27076894
title: "SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS)"
brand: "süa"
price: "¥34042"
currency: JPY
in_stock: true
category: "Süa"
url: https://www.desertcart.jp/products/27076894-süa-er4043-mig-aluminum-welding-wire-1-lb-x-0
store_origin: JP
region: Japan
---

# Melting range 1065°F–1170°F for smooth welds 5% Silicon boosts weld fluidity 0.035'' diameter for precision control SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS)

**Brand:** süa
**Price:** ¥34042
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your welds with SÜA ER4043 — where precision meets flawless shine!

## Quick Answers

- **What is this?** SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS) by süa
- **How much does it cost?** ¥34042 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/27076894-süa-er4043-mig-aluminum-welding-wire-1-lb-x-0)

## Best For

- süa enthusiasts

## Why This Product

- Trusted süa brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Optimized Melting Range:** Melts smoothly between 1065°F and 1170°F, ensuring consistent weld puddle fluidity and superior bonding.
- • **Precision Diameter Control:** 0.035'' wire thickness offers the perfect balance of strength and flexibility for professional-grade MIG welding.
- • **Convenient Multi-Pack Supply:** Four 1-lb spools keep your workflow uninterrupted—stock up and never miss a beat on your next big job.
- • **Silicon-Enhanced Performance:** 5% silicon content reduces cracking and creates bright, shiny welds that stand out on every project.
- • **Versatile Alloy Compatibility:** Ideal for welding popular aluminum grades like 6061, 6063, and cast alloys, making it your go-to for diverse applications.

## Overview

SÜA ER4043 MIG Aluminum Welding Wire features a 5% silicon alloy that lowers melting point and enhances weld fluidity, making it less prone to cracking. With a 0.035'' diameter and a melting range of 1065°F–1170°F, it delivers bright, durable welds across a wide range of aluminum grades. Available in convenient 1-lb spools sold in packs of four, this wire is a trusted choice for professionals seeking reliable, high-quality aluminum welding performance.

## Description

Buy SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS): Welding Wire - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- ER4043, commonly referred to as “AlSi5", has a 5% silicon and is the oldest and one of the most widely used aluminum welding wires for general purpose applications
- Less sensitive to weld cracking than other aluminum alloys and the 5% silicon content lowers the melting point, increases fluidity of the weld puddle and leaves a bright shiny weld deposit.
- ER4043 is commonly used for welding grades 6061, 6063, 5052, 3004, 3003 and cast alloys 356.0, 357.0, 413.0, and 443.0 to name just a few
- Melting range is 1065 °F– 1170 °F, density is 0.097 lbs/in3 and post anodizing color is gray
- 1 Lb of wire per Spool - Available diameters: 0.030", 0.035" and 0.045" - Available Spool Quantities 1, 2, 4 and 6-Pack. Select your choice from the menu.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01DTLYQ7E |
| Best Sellers Rank | #27,144 in Automotive ( See Top 100 in Automotive ) #27 in Welding Wire |
| Brand Name | SÜA |
| Color | gray |
| Customer Reviews | 4.6 4.6 out of 5 stars (356) |
| Finish Type | Unfinished |
| Global Trade Identification Number | 00840338508683 |
| Item Diameter | 0.04 inches |
| Item Form | Solid |
| Item Shape | Cylinder |
| Item Thickness | 0.04 inches |
| Item Weight | 4 pounds |
| Manufacturer | TGB |
| Material | Aluminum |
| Model Number | 4043W4x35 |
| Number of Items | 4 |
| Number of Packs | 4 |
| Part Number | 4043W4x35 |
| UPC | 840338508683 685867900801 |
| Wire Diameter | 0.04 inches |

## Product Details

- **Brand:** SÜA
- **Color:** gray
- **Finish Type:** Unfinished
- **Item Weight:** 4 pounds
- **Material:** Aluminum

## Images

![SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS) - Image 1](https://m.media-amazon.com/images/I/81K6uWuGJCL.jpg)
![SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS) - Image 2](https://m.media-amazon.com/images/I/41PoZqr08pL.jpg)
![SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS) - Image 3](https://m.media-amazon.com/images/I/41rVq7DrIRL.jpg)
![SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS) - Image 4](https://m.media-amazon.com/images/I/51+UEvX4YpL.jpg)
![SÜA - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS) - Image 5](https://m.media-amazon.com/images/I/4198+CTRKML.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: What are the dimension of the spool? My spool gun takes a 4" spool.**
A: The spools are 4". Generally any 1 LB spool comes on a 4" spool and fits most standard spool guns.

**Q: I welding an Aluminum pier and don't know the grade.  What mig wire grade would you recommend?**
A: You can use this one. It is precisely the one that welders use when they don´t know the aluminum grade they are welding.

**Q: Can I use this without gas ?I have a $100.00 mig welder from Harbor freight tools and would like to use this wire with it.**
A: Hello. No, unfortunately, you need Argon to weld with this wire.

**Q: Can this be used with flux?**
A: no

## Frequently Bought Together

- SÜA® - ER4043 - MIG Aluminum Welding Wire - 1 Lb x 0.035'' (4 SPOOLS)
- Mig Welding Contact Tips 186406 .035" for Miller Welder Gun Spoolmate 100, 200, 3035, 185 and Hobart Spoolgun DP-3035, SpoolRunner 100,Handler 125, 125 Ez, 130, 140, 190, 210MVP etc
- Miller Electric Spool Gun, Spoolmate 200 Series (300497)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-12*