# Welding Electrodes Lincoln Electric Arosta 304L 4.0 mm, pack 4.0/4.4 kg (83 pcs) for stainless steel

**URL:** https://aio.lv/en/product--lincoln-electric-527940-1--11741678
**Data updated:** 2026-03-08 15:42 (EET)
**Category:** Welding Machines
**Manufacturer:** lincoln electric
**Manufacturer code:** 527940-1
**EAN:** 5945700009388
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 80.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 66.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lincoln-electric-527940-1--11741678

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Lincoln Electric Arosta 304L welding electrodes for stainless steel, diameter 4.0 mm supplied as a pack weighing 4.0/4.4 kg with 83 electrodes. Designed for manual arc welding (SMAW) of duplex and austenitic stainless steels, these electrodes provide corrosion resistance and are suitable for repair, fabrication and maintenance of stainless steel components in construction, food industry and piping.

## Long description

Lincoln Electric Arosta 304L welding electrodes, diameter 4.0 mm, are consumables designed for manual metal arc welding (SMAW) of stainless steels. Supplied as a mixed-weight pack of approximately 4.0/4.4 kg containing 83 electrodes, these rods are formulated for use on austenitic and duplex stainless steels where corrosion resistance and good weldability are required. The electrode coating and core chemistry are selected to produce stable arc characteristics, good slag detachability and weld deposits with low carbon content to limit sensitization in welded joints.
Advantages
These electrodes deliver consistent arc stability and easy control during manual welding, helping to produce uniform weld beads and predictable mechanical properties. The 304L composition of the deposition provides enhanced resistance to intergranular corrosion due to reduced carbon, making the consumable suitable for stainless steel assemblies that will be exposed to corrosive environments. The pack format and standard 4.0 mm diameter offer a practical balance between deposition rate and access to joints, while the coating supports reliable striking and restriking in typical field and workshop conditions.
Suitable for (tasks / use cases)
Repair and maintenance of stainless steel piping, tanks and vessels
Fabrication of stainless steel structures and components in construction
Welding in the food processing and chemical industries where corrosion resistance is required
On-site repairs and workshop welding of austenitic and duplex stainless steels
Key specifications
Electrode diameter: 4.0 mm
Pack weight: approximately 4.0/4.4 kg containing 83 electrodes
Intended welding process: Manual Metal Arc Welding (SMAW)
Deposit type: low-carbon stainless steel for corrosion resistance
Suitable base materials: austenitic and duplex stainless steels
How to use
Select welding parameters appropriate for 4.0 mm electrodes and the stainless steel grade being joined, including recommended current range for SMAW and correct polarity as indicated by the welding procedure or supplier guidance. Clean the weld area to remove contaminants, fit proper joint preparation and tack welds as needed to control distortion. Maintain correct arc length and travel speed to achieve proper fusion and avoid overheating; remove slag between passes and apply post-weld cleaning suitable for stainless steel to restore corrosion resistance.
Usage recommendations
Store electrodes in a dry, controlled environment to prevent moisture pickup; re-dry following manufacturer instructions if exposure occurs. Use appropriate shielding, filler selection and post-weld treatment to ensure corrosion-resistant joints. Follow safety procedures for SMAW, including suitable personal protective equipment and ventilation when welding stainless steels.

## FAQ

### How much does the Lincoln Electric Arosta 304L 4.0 mm welding electrodes cost, and is it available for purchase?

The price is 80.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Lincoln Electric Arosta 304L 4.0 mm welding electrodes be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 lincoln electric 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 lincoln electric 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

https://aio.lv/img/cache/product/11741678/67120946_large.webp