Machinability

The term machinability refers to the ease with which a metal can be machined to an acceptable surface finish. Materials with good machinability require little power to cut, can be cut quickly, easily obtain a good finish, and do not wear the tooling much; such materials are said to be free machining. The factors that typically improve a material`....
Found on http://en.wikipedia.org/wiki/Machinability

Machinability

The degree of difficulty with which a metal may be machined
Found on http://www.superglossary.com/Glossary/Business/Machine_Shop/
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