
For industrial fabricators and maintenance professionals dealing with high-pressure, high-temperature environments, the Hobart Hoballoy 9018-B3 stick electrode is a critical consumable. This 5/32-inch diameter electrode comes in a heavy-duty 50lb can, ensuring you have ample supply for extensive piping or vessel projects. Specifically engineered for joining 2.25% Chromium and 1% Molybdenum steels, this electrode is a staple in the power generation and petrochemical sectors where material integrity under thermal stress is non-negotiable.
The Hoballoy 9018-B3 is an outstanding choice for applications requiring significant creep resistance. When steel components are subjected to constant stress at elevated temperatures, they can slowly deform over time—a phenomenon known as creep. The specific alloy composition of this Hobart electrode combats this effect, ensuring the longevity and safety of boilers, pressure vessels, and steam piping. Josef Gas recommends this product for certified welders who demand consistent chemical composition and mechanical properties to meet rigorous code requirements.
Beyond its metallurgical benefits, the Hoballoy 9018-B3 is designed for welder appeal. It features a specially formulated low-hydrogen coating that not only protects the weld pool from atmospheric contamination but also assists in producing a stable, smooth arc. The addition of iron powder to the coating increases deposition rates, allowing for faster travel speeds and improved productivity without sacrificing weld quality. The slag system is designed for easy removal, reducing post-weld cleanup time and minimizing the risk of slag inclusions in multi-pass welds.
Storage and handling are vital for low-hydrogen electrodes. This product is packaged in a hermetically sealed 50lb can to prevent moisture pickup during transit and storage. Once opened, it is highly recommended to store these electrodes in a rod oven to maintain their low-hydrogen status, preventing hydrogen-induced cracking in the heat-affected zone of the base metal. Whether you are repairing a heat exchanger or fabricating new high-pressure steam lines, the Hobart Hoballoy 9018-B3 delivers the reliability and performance professional welders trust.
| Additional Information |
|---|
| Packaging Description:50lb can |
| Diameter:4.0mm |
| AWS Spec :E9018-B3 |
| Position:ALL |
| Polarity:AC/DC-, DC+, DCEP, AC |
| Rod Type:Stick Electrode |
| Core Material:Chrome-Moly, Low Alloy Steel |
| Coating Type:Iron Powder, Low Hydrogen |
| AWS Classification:E9018-B3, E9018-B3 H4R |
| Welding Position:All Position |
| Applications:Petrochemical, Piping, Power Generation, Pressure Vessels |
| Tensile Strength:90,000 psi (min) |
| ----- new values below ---- |
| Rod Type:Stick Electrode |
| Core Material:Low Alloy Steel, Chrome-Moly |
| Coating Type:Low Hydrogen, Iron Powder |
| AWS Classification:E9018-B3, E9018-B3 H4R |
| Welding Position:All Position |
| Polarity:DCEP, AC |
| Applications:Power Generation, Petrochemical, Pressure Vessels, Piping |
| Storage Instructions:Store in a dry location, Recondition if exposed to moisture |
| Tensile Strength:90,000 psi (min) |
| brand:Hobart |
| diameter:4.0mm |
| packaging-description:50lb can |
| aws-spec:E9018-B3 |
| position:all |
| polarity:dc, ac-dc |