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S125044-035 - Hobart Hoballoy 7018-A1 1/8" Stick Electrodes 50lb Can

Packaging: 50lb can
$10.76/lb $336.50/50lb can only $6.73/lbSave 37%

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OVERVIEW

Superior Performance for High-Temp Piping

When your project demands welds that can stand up to heat and pressure, the Hobart Hoballoy 7018-A1 is the professional's choice. These 1/8-inch stick electrodes are engineered for the specific challenges of welding carbon-molybdenum piping and pressure vessels. If you are working on boilers, power generation equipment, or petrochemical infrastructure, you know that standard mild steel rods won't cut it. The addition of Molybdenum to the alloy gives your welds the extra backbone they need to resist creep and maintain strength when temperatures rise.

Welders appreciate the Hoballoy 7018-A1 for its exceptional runnability. Hobart has formulated these rods to provide a buttery smooth arc with minimal spatter, making out-of-position welding in the field much more manageable. Whether you are welding vertical-up on a pipe joint or overhead on a structural repair, the puddle control is excellent. The iron powder in the flux coating helps you lay down metal faster while keeping the arc stable, and the slag practically falls off on its own, leaving you with a clean, professional-looking bead that passes X-ray inspection with ease.

This 50lb can ensures you have plenty of material for larger jobs, and the hermetic seal guarantees that the rods are factory-fresh and dry the moment you pop the lid. Moisture is the enemy of low-hydrogen welding, and Hobart's packaging defends against it. For critical repairs on C-Mo steels where failure is not an option, trust the consistency and quality of Hobart Hoballoy. It delivers the mechanical properties you need with the welder-friendly characteristics you want.

Additional Information
Brand:Hobart
Diameter:3.2mm (1/8")
AWS Spec:E7018-A1
Packaging Description:50lb can
Polarity:AC/DCEP
Position:All
Amp Range:100-160 A
Rod Type:Stick Electrode
Core Material:Carbon-Molybdenum Steel
Coating Type:Low Hydrogen Iron Powder
AWS Classification:E7018-A1
Welding Position:All Position
Moisture Resistance:Yes
Tensile Strength:70,000 psi (min)

INCLUDED

  • 50 lb Hermetically Sealed Can of 1/8" Hoballoy 7018-A1 Stick Electrodes

APPLICATIONS

  • Fabrication of carbon-molybdenum steel piping
  • Pressure vessels and boilers
  • Power generation equipment
  • Petrochemical refinery maintenance
  • High-temperature service structural steel
  • Joining ASTM A204 and A335 Grade P1 materials

FAQ

The primary difference is the chemical composition. E7018 is a standard carbon steel electrode, while E7018-A1 contains approximately 0.50% Molybdenum. This addition provides higher strength and better creep resistance at elevated temperatures, making it suitable for carbon-moly steels.

For the 1/8-inch (3.2mm) Hoballoy 7018-A1, the recommended amperage range is typically between 100 and 160 amps. The optimal setting will depend on the material thickness and welding position.

Yes, like all low-hydrogen electrodes, once the hermetically sealed can is opened, the electrodes should be stored in a rod oven at temperatures between 250°F and 300°F (120°C - 150°C) to prevent moisture pickup.

Yes, you can weld standard mild steel with E7018-A1, but it is generally not cost-effective. It is specifically designed for alloyed steels where the molybdenum content is required to match the base metal properties.

This electrode can be operated on both Direct Current Electrode Positive (DCEP) and Alternating Current (AC). DCEP is often preferred for smoother arc characteristics and better penetration.

No, E7018-A1 electrodes are designed for vertical-up welding when welding in the vertical position. They have a heavy slag that can trap if used vertical-down.

It is typically used for carbon-molybdenum steels such as ASTM A161, A204, A302 Grade A, and A335 Grade P1.

The weld metal produced by Hoballoy 7018-A1 has a minimum tensile strength of 70,000 psi (480 MPa), though it typically exceeds this in practice.