Which color classification represents pure tungsten?

Prepare for the Sheet Metal Trade Exam. Boost your understanding with flashcards and multiple choice questions, each comes with hints and explanations. Ace the SMWIA 2nd Year exam!

Multiple Choice

Which color classification represents pure tungsten?

Explanation:
The color on a tungsten electrode is a code for its chemical makeup. Green signifies pure tungsten with no added alloying elements. That’s why it’s the correct choice here—green indicates a pure electrode, which behaves differently from alloyed tungsten types. Other colors correspond to tungsten with various alloying elements (like thoriated or lanthanated), which is why they aren’t pure tungsten.

The color on a tungsten electrode is a code for its chemical makeup. Green signifies pure tungsten with no added alloying elements. That’s why it’s the correct choice here—green indicates a pure electrode, which behaves differently from alloyed tungsten types. Other colors correspond to tungsten with various alloying elements (like thoriated or lanthanated), which is why they aren’t pure tungsten.

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