Frequently Asked Questions
Q: What type of steel is ER70S-g welding wire best suited for?
A: It is designed for welding 500MPa level carbon structural steel, including thick plates and pipelines.
Q: What shielding gas should be used with this GMAW wire?
A: This wire is compatible with CO2 or M21 shielding gases.
Q: What are the primary advantages of using ER70S-g?
A: Key benefits include small spatter, excellent weld appearance, high deposition efficiency, and low sensitivity to weld metal porosity.
Q: Which welding positions can be used?
A: It supports multiple positions including PA, PB, PC, PD, PE, and PF.
Q: How does heat input affect the welding result?
A: The mechanical properties are determined by heat input; generally, smaller heat input provides better mechanical results than larger input.
Q: What preparation is needed before welding?
A: It is essential to remove all rust, oil, water, and other impurities from the weld area to ensure a high-quality bond.
Tianqiao Welding
