A cold chisel is made of
A
Mild steel
B
Cast iron
C
H.S.S.
D
High carbon
Correct Answer: High carbon
Cold chisels are made from carbon tool-steel, which is usually octagonal in cross-section.Tool-steel is used as it can be hardened to form a hard and tough cutting edge.
To make a cold chisel heat the end of the bar of tool steel until it is bright red and hammer to the desired shape.