E91T1-B3 is an AWS-classified, gas-shielded, low-alloy flux-cored welding wire for all-position welding of 2.25% Chromium-1% Molybdenum (Cr-Mo) steels used in high-temperature, high-pressure applications like power plants and petrochemicals, offering high deposition rates, low spatter, excellent creep resistance, and good toughness for materials such as ASTM A387 Gr. 22 and A335 P22. It's ideal for boiler tubes, pressure vessels, and piping, providing reliable welds with smooth arcs and easy slag removal.
Key Characteristics:
Alloy Type: Deposits a 2% Cr / 1% Mo weld metal.
Application: Welding high-temperature, high-pressure components like boilers, steam lines, and refinery equipment.
Performance: All-position, smooth arc, low spatter, high deposition, good toughness, and creep resistance.
Shielding Gas: Typically used with 100% CO2 or an Argon/CO2 mix (e.g., 75% Ar/25% CO2).
Benefits: Offers better tolerance for mill scale/rust and easier slag removal than solid wires.
Common Uses:
Power Generation (Boiler Tubes, Steam Lines)
Petrochemical Plants (Refinery Heaters, Piping)
Pressure Vessels
Fabrication, Repair, and Maintenance of Cr-Mo Steels
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