In the AWS Specification for Stainless Steel-Covered Arc Electrodes, the Letter

question 21

Multiple Choice

In the AWS specification for stainless steel-covered arc electrodes, the letter "L" added to the right of the AISI number indicates ____.

• A) a lime base coating
• B) a low-carbon stainless welding electrode
• C) the electrode is a carbide former
• D) the filler metals are stabilized to prevent chromium-carbide precipitation

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