---
product_id: 243995997
title: "YESWELDER Silicon Aluminum Welding Wire, ER4043 .030-Inch Diameter 1-Pound, Strong ABS Plastic Spool MIG Wire"
brand: "yeswelder"
price: "€ 38.61"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/243995997-yeswelder-silicon-aluminum-welding-wire-er4043-030-inch-diameter-1
store_origin: FI
region: Finland
---

# 5% Silicon Aluminum Alloy for superior weld fluidity 0.030-inch diameter for precise, clean welds Durable ABS plastic spool for rugged use YESWELDER Silicon Aluminum Welding Wire, ER4043 .030-Inch Diameter 1-Pound, Strong ABS Plastic Spool MIG Wire

**Brand:** yeswelder
**Price:** € 38.61
**Availability:** ✅ In Stock

## Summary

> ⚡ Weld Like a Pro, Finish Like a Boss!

## Quick Answers

- **What is this?** YESWELDER Silicon Aluminum Welding Wire, ER4043 .030-Inch Diameter 1-Pound, Strong ABS Plastic Spool MIG Wire by yeswelder
- **How much does it cost?** € 38.61 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/243995997-yeswelder-silicon-aluminum-welding-wire-er4043-030-inch-diameter-1)

## Best For

- yeswelder enthusiasts

## Why This Product

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

## Key Features

- • **Rugged ABS Spool:** Engineered for durability and hassle-free feeding in any welding environment.
- • **Precision Diameter:** 0.030-inch wire ensures smooth, minimal-spatter MIG welding every time.
- • **Premium AlSi5 Composition:** Experience flawless welds with enhanced fluidity and crack resistance.
- • **Corrosion-Resistant Finish:** Produces a consistent gray anodized finish that stands the test of time.
- • **Versatile Alloy Compatibility:** Perfect for aluminum grades 3003 to 6063 and casting alloys—one wire, endless projects.

## Overview

YESWELDER ER4043 Silicon Aluminum Welding Wire is a 1-pound, 0.030-inch diameter MIG wire made from a premium 5% silicon aluminum alloy. Designed for superior fluidity, crack resistance, and corrosion protection, it delivers smooth, clean welds across a wide range of aluminum alloys. Packaged on a tough ABS plastic spool, this wire is built to withstand demanding work conditions and elevate your welding projects to professional standards.

## Description

YESWELDER Silicon Aluminum Welding Wire, ER4043 .030-Inch Diameter 1-Pound, Strong ABS Plastic Spool MIG Wire

## Features

- 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.
- STRONG SPOOL: The wire is supplied on a robust spool constructed from a new ABS plastic material. This spool is highly durable, tough, and anti-fragile, ensuring it withstands the rigors of transportation and operates flawlessly within the welding machine.
- SPECIFICATION: Weight:1 lb / Diameter:.030 inch.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | YESWELDER |
| Part Number | ER4043/1LB-0.8 |
| Item Weight | 1 pounds |
| Package Dimensions | 4.37 x 4.29 x 1.61 inches |
| Item model number | ER4043/1LB-0.8 |
| Size | 0.030-inch 1LB |
| Material | Aluminum |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![YESWELDER Silicon Aluminum Welding Wire, ER4043 .030-Inch Diameter 1-Pound, Strong ABS Plastic Spool MIG Wire - Image 1](https://m.media-amazon.com/images/I/71Sj2j6AdYL.jpg)

## Available Options

This product comes in different **Material Type, Size** options.

## Frequently Bought Together

- YESWELDER Silicon Aluminum Welding Wire ER4043 .030-Diameter, 1-Pound Spool
- YESWELDER Spool Gun, 150A 10 FT Cable, Euro Connection Fits YESWELDER MIG-205DS (PRO)/MIG-185DS PRO Welder, Fits Tweco Welding Torch Head

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fi/products/243995997-yeswelder-silicon-aluminum-welding-wire-er4043-030-inch-diameter-1](https://www.desertcart.fi/products/243995997-yeswelder-silicon-aluminum-welding-wire-er4043-030-inch-diameter-1)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-03*