Thread: MIM/Cast Part
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Old March 8, 2013, 07:08 PM   #37
James K
Join Date: March 17, 1999
Posts: 24,193
Short of having a metallurgical laboratory in your back pocket, I don't know of any way to be sure what method or metal is used to make a part except to ask the maker, preferably in writing, by snail mail because that is the best way to get an authoritative answer. E-mail gets ignored and the telephone answerer might tell you what he thinks you want to hear, but a letter gets attention.

FWIW, a line in the part does not necessarily mean MIM or cast; forging and some machining can leave a line also.

Jim K
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