Welding Electrode ESAB ER 146 2.50 mm, 5 kg spool

ESAB ER 146 2.50 mm welding electrode on a 5 kg spool is a consumable electrode designed for arc welding applications that require a covered or stick-style ER 146 wire in a compact spool format. The product provides a consistent 2.50 mm diameter for controlled deposition and predictable arc characteristics, supplied on a 5 kg spool to support repair, fabrication and maintenance tasks without frequent reel changes.

Advantages

The ESAB ER 146 electrode offers uniform diameter and reliable feeding from the 5 kg spool, reducing interruptions during welding. Its composition and coating are engineered to deliver stable arc performance and consistent slag removal, helping achieve repeatable weld bead appearance and mechanical properties. The spool format simplifies storage and handling compared with loose sticks while keeping the electrode accessible for stick/covered electrode welding setups that accept spool-fed consumables.

Suitable for

• General repair welding on steel components
• Fabrication and light structural welding tasks
• Maintenance work in workshops and industrial sites
• Situations requiring a 2.50 mm diameter electrode in a 5 kg supply

Key specifications

• Electrode diameter: 2.50 mm
• Packaging weight: 5 kg spool
• Electrode type: covered/stick-style ER 146 consumable
• Form: spool-mounted electrode for controlled feeding and handling

How to use

Prepare the workpiece by cleaning the weld area from rust, oil and other contaminants. Select appropriate welding current and polarity based on the 2.50 mm ER 146 electrode and the material to be joined, following equipment manufacturer guidance. Mount the spool so the electrode feeds smoothly into the holder or feed mechanism used for covered/stick-style welding. Strike the arc and proceed with welding using standard techniques for the electrode type, monitoring heat input and travel speed to ensure proper penetration and bead profile. After welding, remove slag and inspect the seam for continuity and defects.

Usage recommendations

Store the spool in a dry, low-humidity environment to maintain coating integrity. Use appropriate personal protective equipment and follow safety procedures for arc welding. For best results, match the electrode choice and welding parameters to the base material and joint design; consult ESAB technical guidance if specific mechanical properties or certifications are required.