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Modified Steel Grades (Part 2)

4140 and 4150 - KROMITE #3 AND MIRRALOY - modified grades of high strength alloy. Last month, we talked about the word “modification” appearing on a Mill Test Report (MTR). This month I have been asked to clarify just how…

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Using 4140 Alloy Steel

Iron ore, found lying around near the surface of the earth, can be heated and primitively refined (a cave man could do it) to become iron. Iron is soft and pliable, great for lots of things and better than a…

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