Engineering Materials
Inconel contains

80% nickel and 20% chromium
65% nickel, 15% chromium and 20% iron
80% nickel, 14% chromium and 6% iron
68% nickel, 29% copper and 3% other constituents

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Engineering Materials
Malleable cast iron

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron
Is produced by annealing process. It is soft, tough, and easily machined metal
Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
Is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material

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