Skip to Main Content
Canadian
Canadian owned and operated

S125781-035 - Hobart Hoballoy 10018-D2 Low Alloy Stick Electrode 1/4" 50lb

Packaging: 50lb can
$8.56/lb $267.50/50lb can only $5.35/lbSave 37%

Usually ships within 3-5 business days

OVERVIEW

Performance and Precision with Hobart Hoballoy 10018-D2

For professional welders tackling heavy-duty projects, the Hobart Hoballoy 10018-D2 offers a superior welding experience combined with unmatched metallurgical performance. This electrode is a low-hydrogen, iron powder type designed for DCEP (Direct Current Electrode Positive) applications. The 1/4-inch diameter is a heavy-hitter in the stick welding world, intended for laying down serious amounts of metal in flat and horizontal fillets. It is not an all-position rod due to its large puddle size, but it excels where high deposition rates are needed on thick materials.

When you strike an arc with the Hoballoy 10018-D2, you will notice a smooth, stable arc that is characteristic of Hobart's premium formulations. The iron powder in the coating assists in increasing deposition efficiency, allowing you to complete long passes with fewer stops. Slag removal is generally excellent, often peeling away easily to reveal a clean, finely rippled bead profile. This reduces post-weld cleanup time and helps ensure that multi-pass welds are free from slag inclusions, which is critical when aiming for X-ray quality results.

The chemistry of this rod is what sets it apart. The "D2" suffix denotes a Manganese-Molybdenum alloy system. This composition provides the weld metal with high tensile strength (over 100 ksi) and good impact toughness, even at lower temperatures. It is the go-to rod for welding manganese-molybdenum castings, alloy forgings, and high-strength pressure vessel plates. If you are working on crane booms, heavy construction equipment frames, or high-pressure piping, this electrode gives you the confidence that the weld will hold up under extreme service conditions.

Storage and handling are key for 10018 electrodes. This product ships in a 50lb hermetically sealed can, which keeps the rods factory-fresh and dry until opened. Once opened, it is best practice to store them in a rod oven to maintain their low-hydrogen status. Using the Hoballoy 10018-D2 means you are using a tool designed for the professional who demands quality, strength, and operability in every pass.

Additional Information
Brand:Hobart
AWS Spec:E10018-D2
Diameter:6.4mm (1/4")
Packaging Description:50lb can
Polarity:DCEP
Position:Flat/Horizontal
Rod Type:Stick Electrode
Core Material:Low Alloy Steel
Coating Type:Low Hydrogen Iron Powder
AWS Classification:E10018-D2
Tensile Strength:100,000 psi (min)
Welding Position:Flat, Horizontal Fillet
Moisture Resistance:Moisture Resistant Coating

INCLUDED

  • 50 lb Hermetically Sealed Can of 1/4" Hoballoy 10018-D2 Electrodes
  • Instruction Sheet

APPLICATIONS

  • High-strength pressure vessels and boilers
  • Petrochemical piping and tubing
  • Heavy earthmoving and construction equipment
  • Crane booms and structural girders
  • Manganese-molybdenum castings and forgings
  • Joining ASTM A302 Gr. B and A533 Gr. B steels

FAQ

This electrode is classified as AWS E10018-D2.

They are primarily used for welding high-strength low-alloy steels, particularly manganese-molybdenum steels found in pressure vessels and heavy machinery.

This rod has a diameter of 1/4 inch (approximately 6.4mm).

Yes, as a low-hydrogen electrode, it should be stored in a holding oven after opening the can to prevent moisture absorption.

Generally, no. The 1/4-inch diameter is too large for out-of-position welding and is best suited for flat and horizontal fillet welds.

It is designed for use with Direct Current Electrode Positive (DCEP).

The weld metal provides a minimum tensile strength of 100,000 psi.

It has a low-hydrogen, iron powder coating which aids in deposition rate and weld quality.