Why same casting has different hardness and machineability
properties? One spot it is found hard for machining and
another spot soft? It is FG 260 grade for Cast Iron.
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Answer Posted / shashikant g. sane
The casting must have solidified with uneven cooling rates.
So the part that has cooled faster has developed extra
hardness.
| Is This Answer Correct ? | 6 Yes | 2 No |
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