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I'm looking at a customer material spec that says,"The steel melt shall be refined with AOD or equivalent." The material we want buy is refined with VOD. Any help would be appreciated. Thanks

It’s not diameter measurement error. Even if my micrometer was off by 5 thousandths it wouldnt account for the difference. My gut feeling is that there are several things going on, dislocations and impurities increase with diameter and that mechanical properties aren’t uniform in the radial...

IRstuff, I don't think so, the material is easily machinable and is cool to the touch right off the machine;I'm using coolant. One of the few things i can find on the internet is "size factor". But there isn't enough information to help me understand.

my apologies i should have said strength is increasing as material is removed in the title.

Hi Bob, the material is 1/2" 360 brass H02. the original diameter is raw bar stock, UTS= 68 ksi. I cut down the material on a lathe to 3/8" and it increased to 71 ksi, then for 1/4" it went to 73 ksi. These are average values over several tests of the same heat lot. I've also noticed this...

Hello, I'm having a hard time understanding why the tensile of the materials I'm testing are changing depending on what diameter i cut the sample to. Any help understanding this would be greatly appreciated.