Medium carbon steel becomes difficult to weld when the carbon content exceeds:
a. 10%
b. 3.5%
c. 0.35%
d. 0.25%
e. 0.1%
Answer: C
Medium carbon steel becomes difficult to weld when the carbon content exceeds:
a. 10%
b. 3.5%
c. 0.35%
d. 0.25%
e. 0.1%