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S125651-035 - Hobart E9018-M Low Alloy Stick Electrode 5/32" 50lb

Packaging: 50lb can
$9.26/lb $289.50/50lb can only $5.79/lbSave 37%

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OVERVIEW

Tackle Heavy-Duty Jobs with Hobart 9018-M

When you are welding up a crane boom, repairing an excavator bucket, or fabricating structural steel that needs to hold serious weight, a standard 7018 rod just won't cut it. You need the extra muscle of the Hobart Hoballoy 9018-M. This 5/32" stick electrode is built for high-strength steel, delivering a massive 90,000 psi tensile strength to match the base metal of heavy equipment and critical structures.

Hobart knows that high-strength welding can be tricky, which is why they designed this rod to run smoothly. The low hydrogen iron powder coating gives you a stable, forgiving arc that digs in deep but leaves a bead that looks great. If you are used to running 7018, you will feel right at home with the 9018-M, but you will be laying down metal that is significantly stronger and tougher. The slag peels off easily, so you aren't spending half your day chipping and grinding, letting you move on to the next pass faster.

One of the biggest enemies of high-strength welds is cracking, often caused by moisture. Hobart ships these rods in a 50 lb hermetically sealed can to keep them bone dry until you crack the seal. The 'M' rating means it meets strict military specs for moisture resistance and toughness, so you know it can handle the cold and the stress without failing. Whether you are in the shop or out in the field, this is the rod you want in your stinger when the specs call for 90ksi filler metal.

This 5/32" size is a workhorse for filling joints on thick plate. While it runs best on DCEP, it offers good puddle control in various positions if you have the skill. Don't risk a weld failure on critical machinery—upgrade to the Hobart Hoballoy 9018-M and weld with confidence knowing your deposit can take the abuse.

Additional Information
Brand:Hobart
AWS Spec:E9018-M
Diameter:4.0mm (5/32")
Packaging Description:50lb can (50lb-can)
Polarity:DCEP
Position:All
Rod Type:Stick Electrode
Core Material:Low Alloy Steel
Coating Type:Low Hydrogen Iron Powder
Tensile Strength:90,000 PSI
Yield Strength:78,000 - 80,000 PSI
Moisture Resistance:High
Storage Instructions:Store in a dry, controlled environment; recondition if exposed to moisture.

INCLUDED

  • 50 lb Can of Hobart Hoballoy 9018-M Stick Electrodes (5/32" Diameter)
  • Instruction Sheet

APPLICATIONS

  • Heavy Construction Equipment Repair
  • Crane Boom Fabrication and Repair
  • Pressure Vessels and Piping
  • Shipbuilding and Offshore Structures
  • Mining Machinery (Buckets, Shovels)
  • Quenched and Tempered Steels (T-1, HY-80)
  • Military Hardware Fabrication

FAQ

This electrode is classified as AWS E9018-M.

They are used for welding high-strength low-alloy (HSLA) steels requiring 90,000 psi tensile strength, such as T-1 or HY-80 steels.

Direct Current Electrode Positive (DCEP) is the recommended polarity for optimal performance.

Yes, as a low-hydrogen electrode, once the can is opened, the rods should be stored in a holding oven (typically 250°F-300°F) to prevent moisture pickup.

You can, but it is generally considered 'overmatching.' It is more expensive than 7018 and designed for higher strength steel, so it's best to save it for the right application.

The 'M' typically indicates that the electrode meets specific military requirements for moisture content, absorbed moisture limits, and mechanical properties.

Not really. If you are comfortable running a 7018 low-hydrogen rod, the 9018-M runs very similarly with a smooth arc and easy slag removal.

This package is a 50 lb (approx 22.7 kg) hermetically sealed can.
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