ER70S-6 wire is used in welding. Which process is it most associated with?

Prepare for the California Welding Contractor Exam (C-60 License) with flashcards and multiple choice questions, each including hints and explanations. Get exam-ready!

Multiple Choice

ER70S-6 wire is used in welding. Which process is it most associated with?

Explanation:
ER70S-6 is a common mild steel filler metal designed for gas metal arc welding. It’s a solid MIG wire intended to be fed through a welding gun and shielded by gas (such as CO2 or a CO2–argon mix). The S indicates a solid wire, and the 6 denotes higher deoxidizers (silicon and manganese) to improve weld quality on dirty or painted steel. Because of this, it’s most closely associated with GMAW (MIG) welding. Flux-core FCAW uses a different family of wires (flux-core, like E70C), while SMAW (stick) and GTAW (TIG) use different consumables and setups.

ER70S-6 is a common mild steel filler metal designed for gas metal arc welding. It’s a solid MIG wire intended to be fed through a welding gun and shielded by gas (such as CO2 or a CO2–argon mix). The S indicates a solid wire, and the 6 denotes higher deoxidizers (silicon and manganese) to improve weld quality on dirty or painted steel. Because of this, it’s most closely associated with GMAW (MIG) welding. Flux-core FCAW uses a different family of wires (flux-core, like E70C), while SMAW (stick) and GTAW (TIG) use different consumables and setups.

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