GMAW NC II Practice Questions - TESDA Gas Metal Arc Welding (GMAW) NC II Competency Assessment Exam

ER70S-6 is a common solid wire for carbon steel GMAW. What does the "70" indicate?

Minimum tensile strength of the deposited weld metal of 70,000 psi The wire diameter is 0.070 inches The wire contains 70% copper The wire must be used at 70 amperes minimum

Correct Answer:

Minimum tensile strength of the deposited weld metal of 70,000 psi

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