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1. discuss the basic differences (in terms of chemical composition and important properties) among wrought iron, cast iron, and steel. where would you recommend the use of each?

Sagot :

The basic differences (in terms of chemical composition and important properties) among wrought iron, cast iron, and steel is given below.

wrought iron consist of pure iron = 0.02 - 0.05 % carbon , 0.20 %silicon , 0.25 % phosphorus , 0.05 % Sulphur ,  0.10 % manganese , 3.25 % sl-ag, 99 - 99.8 % iron.

properties of wrought iron :  density is 7.7 g/cm³. melting point is 1540 °C.

Cast iron composition : 1.8 - 4 % carbon , 1 - 3 % silicon and remaining is iron.

properties of cast iron : ability to deform , ability to absorb energy,,, ability to returns its original dimension.

composition of steel :0.13 % carbon , 0.20 - 2.00 %manganese , 0.02 % phosphorus , 0.012% Sulphur , 0.10% silicon , copper , nickel. chromium , molybdenum tin as residuals. 0.6 % iron.

Properties of steel : density is 7.75 g/cm³.  ductile, melting point is 2750°F , high strength, corrosive resistance. durable.

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