Exam 28: Weldability of Metals

____ cast iron has alloying elements such as chromium, copper, manganese, molybdenum, or nickel added to obtain special properties.

To weld stainless steels, the arc should be as long as possible.

If you are not sure which filler metal to use, a good general rule is that a lower strength or grade can be used successfully, but a little stronger or higher grade seldom works.

The term ____________________ has been coined to describe the ease with which a metal can be welded properly.

The fractured surface of ____ cast iron has a light, almost white, thin rim around the dark gray center.