What does the 2 stand for in the AWS electrode classification E-W TH-2?

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Multiple Choice

What does the 2 stand for in the AWS electrode classification E-W TH-2?

Explanation:
In AWS electrode classifications, the numeric part of the code shows how much alloy is added to the weld metal deposit. The 2 in this designation signals roughly 2% alloying elements in the deposited weld metal. This matters because the amount of alloying elements changes the weld’s properties (strength, hardness, corrosion resistance) to suit different service conditions and base metals. It isn’t describing tungsten type, electrode diameter, or any heat-treatment designation, so those aspects aren’t what the number conveys.

In AWS electrode classifications, the numeric part of the code shows how much alloy is added to the weld metal deposit. The 2 in this designation signals roughly 2% alloying elements in the deposited weld metal. This matters because the amount of alloying elements changes the weld’s properties (strength, hardness, corrosion resistance) to suit different service conditions and base metals. It isn’t describing tungsten type, electrode diameter, or any heat-treatment designation, so those aspects aren’t what the number conveys.

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