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← HistoryWhich risk increases near blast furnaces when early cast iron contains excess sulfur?
A)Reduced carbon absorption by bloomeries
B)Increased ductile fracture initiation
C)Hydrogen embrittlement acceleration
D)Hot shortness from iron sulfide✓
💡 Explanation
Hot shortness increases embrittlement at forging temperatures because segregation of iron sulfide at grain boundaries reduces malleability. Therefore, the iron crumbles during working, rather than being shaped successfully because other mechanisms do not predominantly act in the presence of the excessive sulfur.
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