# Welding electrode Metalweld RUTWELD R3 4.0 mm — rutile electrode, 4.5 kg spool

**URL:** https://aio.lv/en/product--metalweld-ele-40-r3--11916024
**Data updated:** 2026-03-10 09:20 (EET)
**Category:** Welding Machines
**Manufacturer:** Metalweld
**Manufacturer code:** ELE 4.0 R3
**EAN:** 5902021725694
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Metalweld RUTWELD R3 is a rutile-coated welding electrode with a 4.0 mm diameter supplied as a 4.5 kg pack. Designed for manual metal arc (MMA) welding, it provides smooth arc characteristics and easy slag removal. Suitable for general fabrication, repair work and welding of mild steels in construction and maintenance tasks.

## Long description

Metalweld RUTWELD R3 4.0 mm is a rutile-coated manual metal arc (MMA) welding electrode supplied in a 4.5 kg pack. Intended for welding mild steels, this 4.0 mm electrode delivers stable arc performance and predictable bead formation for general fabrication, repair and maintenance tasks. The rutile coating contributes to a smooth arc, relatively low spatter and straightforward slag detachment, making it suitable for workshop and on-site applications where consistent weld appearance and ease of use are required.
Advantages
The rutile flux formulation ensures smooth arc characteristics and easy re-striking, reducing interruptions during welding. The electrode produces a compact, uniform weld bead with moderate penetration suitable for common structural and repair jobs. Slag peels off cleanly after cooling, minimising post-weld cleaning time. The 4.5 kg pack provides an economical quantity for continuous work while the 4.0 mm diameter balances current capacity and accessibility for joints of typical thicknesses.
Suitable for
 General steel fabrication and structural welding
 Repair and maintenance of machinery and metal components
 Welding of mild and low-alloy steels
 Workshop and field/on-site welding tasks
Key specifications
 Coating type: rutile
 Electrode diameter: 4.0 mm
 Pack weight: 4.5 kg
 Welding process: Manual Metal Arc (MMA/SMAW)
 Typical arc characteristics: smooth, low spatter
 Recommended material: mild steel
How to use
Select appropriate welding current and polarity for a 4.0 mm rutile electrode according to your power source and joint configuration, then strike the arc and maintain a consistent travel speed to achieve uniform bead formation. Allow slag to solidify before chipping or brushing to reveal the weld. Observe standard safety procedures including suitable personal protective equipment, ventilation and electrode storage in dry conditions to prevent moisture absorption that can cause porosity or arc instability.
Usage recommendations
For best results, store electrodes in a dry place and, if necessary, bake according to manufacturer guidelines before use when electrodes have been exposed to humidity. Use this electrode for plates and sections of typical workshop thicknesses where smooth arc behaviour and easy slag removal are priorities. Adjust welding parameters to obtain the desired penetration and bead profile for the specific joint design.

## FAQ

### What payment options are available?

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### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Metalweld products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Metalweld service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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