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Charpy Values for AISI 4140 @ -50F
It is between different heat lots and sources as you suspect. There is occasional variation between the 3 legs of the testing. We might see one poor result which I have always written off poor/inconsistent material in that area. I guess what I am trying to understand is what elements of the...- MECHGU
- Post #9
- Forum: Metal and Metallurgy engineering
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Charpy Values for AISI 4140 @ -50F
I have a similar issue with 4140 material in the same strength range. As mentioned above my application is oil/gas related and part of the ABS standard. The issue is my results are all over the map. Can someone give me guidance on what exactly needs to be controlled? I don't have a materials...- MECHGU
- Post #7
- Forum: Metal and Metallurgy engineering
