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    June 18, 2025

    ESAB OK AUTROD 42 LSW SOLID MIG WIRE DESIGNED FOR EASY SLAG REMOVAL

    North Bethesda, Md. – To boost productivity and lower costs in robotic MIG welding applications, ESAB has launched OK Autrod 42 LSW, a copper coated ER70S-9 solid wire with a chemistry engineered to create minimal slag and silica islands on the weld bead. OK Autrod 42 LSW is available in diameters of 0.9, 1.0 and 1.2 mm (0.035, 0.040 and 0.045 in.) and comes in standard spools weights of 18 kg (39 lbs.) or ESAB’s Marathon Pac™ bulk wire system (250 kg/551 lbs.). 

    “We enhanced the metallurgy of OK Autrod 42 LSW so that slag self-releases or easily brushes off,” says Joe Cacioppo, Director of Global Product Management at ESAB. “Where most slag islands are silicon oxides, the few slag islands produced by OK Autrod 42 LSW are manganese and titanium oxides, which makes clean-up easier before the weldment moves to galvanizing or painting.”

    ESAB developed OK Autrod 42 LSW especially for automative, yellow goods and similar single-pass welding applications where paint and corrosion protection are applied after welding (multi-pass applications may be possible as well, subject to strength and design requirements). These applications require manually removing silicon islands, slag and spatter because they could otherwise promote rusting. 

    “As automotive suppliers look for more ways to reduce labor costs and cycle time, low-slag wires are gaining popularity because they add value by eliminating or greatly reducing the need for post-weld cleaning compared to standard ER70 wires,” says Cacioppo.

    OK Autrod 42 LSW provides good wetting action; the weld puddle flows readily to create a smooth transition at the weld toe, a better bead profile and better surface appearance. Spatter generation is minimal. OK Autrod 42 LSW has a minimum tensile strength of 71 KSI and typical impact values of 93 ft.-lbs. -22 oF. For more information about ESAB filler metals, contact your ESAB sales representative.

    Robotic torch_Action Photo
    ESAB’s new OK Autrod 42 LSW is a copper coated ER70S-9 solid wire engineered to minimize slag and silica islands on the weld bead to reduce cleaning and the total cost of welding.

    About ESAB 

    For more than 120 years, ESAB has been a world leader in fabrication technology. Our distinctive portfolio of fabrication solutions encompasses more than 40 of the world’s most trusted brands for welding and cutting equipment, automation, robotics, fabrication software, filler metals, gas flow control, and PPE. Industries and innovators that shape the world rely on ESAB’s products and solutions. To learn more, visit esab.com.

    FOR MORE INFORMATION, CONTACT:

    ESAB Media Contact:
    Chuck Schroeder
    Tel +1 (262) 618-4427
    [email protected]

    Corporate Media Contact:
    Tilea Coleman
    Tel +1 (301) 323-9092
    [email protected]

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