When TIG welding Austenitic Stainless Steel pipe, Argon gas baking is – McqOptions

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1.	When TIG welding Austenitic Stainless Steel pipe, Argon gas baking is called for. This is to
A.	Prevent under bead cracking
B.	Prevent oxidation
C.	Control the penetration bead shape
D.	Prevent porosity
Answer» C. Control the penetration bead shape

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