In the filler rod designation ER480S-2, the letter S stands for

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Prepare for the Gas Tungsten Arc Welding (GTAW) exam. Test your knowledge with multiple-choice and flashcard questions with hints and explanations to boost your confidence. Get ready to succeed!

Multiple Choice

In the filler rod designation ER480S-2, the letter S stands for

Explanation:
The symbol tells you the form of the filler metal. In this type of designation, ER indicates a welding filler metal, the number gives the nominal strength, and the letter that follows specifies the form of the product. The S means solid, indicating a solid wire/rod rather than a flux-cored or metal-cored product. So ER480S-2 is a solid filler rod designed for high-strength steel, with the remaining digits refining chemistry and other properties. The other options don’t fit because they refer to things like selection, stabilization, or steel as a material, none of which describe the physical form of the filler metal.

The symbol tells you the form of the filler metal. In this type of designation, ER indicates a welding filler metal, the number gives the nominal strength, and the letter that follows specifies the form of the product. The S means solid, indicating a solid wire/rod rather than a flux-cored or metal-cored product. So ER480S-2 is a solid filler rod designed for high-strength steel, with the remaining digits refining chemistry and other properties. The other options don’t fit because they refer to things like selection, stabilization, or steel as a material, none of which describe the physical form of the filler metal.

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