For steels containing more than ____ % carbon, preheating and subsequent heat treatment generally are required to produce a satisfactory weld.
A) 0.30
B) 0.40
C) 30
D) 40

Question

Quizplus · Accepted Answer

According to the American Welding Society, steels containing more than 0.40% carbon typically require preheating and subsequent heat treatment to produce a satisfactory weld. Therefore, option B, 0.40, is the correct answer.

For Steels Containing More Than ____ % Carbon, Preheating and Subsequent