Which of the following will resist maxi-mum shock & vibration without cracking?

Malleable iron is a type of cast iron that has undergone a heat treatment process known as annealing, which imparts it with unique properties. In summary, malleable iron's combination of ductility, impact resistance, specific microstructure, heat treatment, uniform composition, and absence of brittle phases collectively contribute to its ability to resist maximum shock and vibration without cracking.

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