CAST IRON

Question 1

IS THE DUCTILITY OF CAST IRON HIGH OR LOW?

Answer 1

The ductility of cast irons is very low and they cannot be rolled, drawn or worked easily
at room temperature.

Question 2

WHAT ARE THE 4 TYPES OF GRAPHITIC CAST IRONS?

Answer 2

• GRAY CAST IRON
• WHITE CAST IRON
• MALLEABLE CAST IRON
• DUCTILE CAST IRON

Question 3

WHAT IS USED TO PRODUCE MALLEABLE CAST IRON?

Answer 3

WHITE CAST IRON

Question 4

WHAT MIXTURE MAKES UP DUCTILE CAST IRON?

Answer 4

• FERRITE
• PEARLITE
• GRAPHITE MODULES

Question 5

WHAT ARE SOME ADVANTAGES OF CAST IRON?

Answer 5

• CAN BE CAST INTO COMPLEX SHAPES
• VERY FLUID WHEN MOLTEN
• ONLY SHRINK SLIGHTLY ON SOLIDIFICATION

Question 6

WHAT ARE SOME DISADVANTAGES OF CAST IRON?

Answer 6

• LOW TOUGHNESS WHEN COMPARED TO STEEL
• LOW DUCTILITY
• POOR WELDABILITY