Grey cast iron_____________________?
(A) contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
(B) is also known as chilled cast iron am is obtained by cooling rapidly. It i: almost unmachinable
(C) is produced by annealing process. I is soft, tough and easily machinec metal
(D) is produced by small additions o magnesium (or cerium) in the ladle Graphite is in nodular or spheroida form and is well dispersed throughout the material
(E) none of the above is true
