Metal-cored wires provide strength after extensive stress-relief hold time
Hobart has introduced two new metal-cored wires formulated to maintain strength after extensive stress-relief hold time when welding 4130 and 4140 steels. The Hobart® FabCOR® 4130 SR is a gas-shielded metal-cored wire for semiautomatic welding, and the Hobart SubCOR® 4130 SR is a metal-cored SAW electrode.
Both wires provide higher deposition rates than solid wires, the company reports. They also offer a high-strength weld deposit with versatile chemistry, making them suitable for use in a variety of joining and repair applications with various materials, including AISI 4130 and 4140.
Formulated and intended for use with DCEP polarity, the wires can be used in single- and multipass welding applications found in the oil and gas and offshore industries, wellhead fabrication and repair, and those using HSLA steels.
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