Which element precipitates at the grain boundaries, when austenitic st – McqOptions

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1.	Which element precipitates at the grain boundaries, when austenitic stainless steel is heated at 900 C?
A.	Aluminium carbide
B.	Chromium carbide
C.	Magnesium carbide
D.	Molybdenum carbide
Answer» C. Magnesium carbide

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