In the designation ER-70C-6, what does the C stand for?

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Multiple Choice

In the designation ER-70C-6, what does the C stand for?

Explanation:
The C stands for copper-coated. In this welding-wire designation, the letter after the strength rating identifies the coating on the wire. A copper coating improves current transfer, arc stability, and helps protect the wire surface from oxidation during storage and welding. It doesn’t indicate a composite or ceramic material, nor does it refer to carbon content in this naming scheme.

The C stands for copper-coated. In this welding-wire designation, the letter after the strength rating identifies the coating on the wire. A copper coating improves current transfer, arc stability, and helps protect the wire surface from oxidation during storage and welding. It doesn’t indicate a composite or ceramic material, nor does it refer to carbon content in this naming scheme.

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