For some stainless steels, when heated to a certain temperature range (()) for a sufficiently long t

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For some stainless steels, when heated to a certain temperature range (()) for a sufficiently long time, these alloys become sensitized to intergranular attack

A.300℃-600℃

B.400℃-700℃

C.500℃-800℃ 

D.700℃-1000℃

参考答案:

答案:500℃-800℃