---
title: "ER 4043 (AlSi5) Wire ‘Aluminium Alloy’ (1.0mm) 2kg"
id: "11213"
type: "product"
slug: "er-4043-alsi5-wire-aluminium-alloy-1-0mm-2kg"
published_at: "2025-05-15T15:26:50+00:00"
modified_at: "2025-11-12T14:32:03+00:00"
url: "https://sglonline.co.uk/product/er-4043-alsi5-wire-aluminium-alloy-1-0mm-2kg/"
markdown_url: "https://sglonline.co.uk/product/er-4043-alsi5-wire-aluminium-alloy-1-0mm-2kg.md"
excerpt: "ER 4043 (AlSi5) Wire ‘Aluminium Alloy’ (1.0mm) 2kg ER 4043 Aluminum Wire (1.0mm) is designed for welding aluminum alloys. The 2kg spool provides ample material, while the AlSi5 composition ensures clean, strong welds. Ideal for automotive and aerospace work, it..."
taxonomy_product_type:
  - "simple"
taxonomy_product_visibility:
  - "outofstock"
taxonomy_product_cat:
  - "Aluminium Wires"
---

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[Aluminium Wires](https://sglonline.co.uk/product-category/welding-consumables/mig-wire/aluminium-wires/)

# ER 4043 (AlSi5) Wire ‘Aluminium Alloy’ (1.0mm) 2kg

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£20.00£24.00 Exc VATInc VAT

Out of stock

SKU: 6011100452Category: [Aluminium Wires](https://sglonline.co.uk/product-category/welding-consumables/mig-wire/aluminium-wires/)

- [Description](#tab-description)
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## ER 4043 (AlSi5) Wire ‘Aluminium Alloy’ (1.0mm) 2kg

ER 4043 Aluminum Wire (1.0mm) is designed for welding aluminum alloys. The 2kg spool provides ample material, while the AlSi5 composition ensures clean, strong welds. Ideal for automotive and aerospace work, it delivers consistent results.

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