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Which among the following methods is best suited for stainless steels?

(a) Electric butt welding

(b) Seam welding

(c) Flux coated arc welding

(d) Oxy-hydrogen welding

I have been asked this question by my school teacher while I was bunking the class.

This intriguing question originated from Welding of Various Metals topic in chapter Welding and Related Processes of Casting-Forming-Welding II

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Correct answer is (a) Electric butt welding

Explanation: There are a few methods of treating stainless steels for welding, such as, any of the metal arc welding methods or the oxy-acetylene welding method, but the one best suited for this alloy is electric butt welding.

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