What does carbon equivalence indicate in welding steel?

What does carbon equivalence indicate in welding steel?

• A. A measure of how carbon content alone affects weldability.
• B. A measure of how carbon content and alloying elements affect weldability; higher CE increases risk of hardening and cracking.
• C. A parameter used to determine welding current.
• D. The ratio of carbon to chromium in the alloy.

Answer: (B)