09-27-2022, 04:23 PM
Pan, the best contact for technical questions at H&M Metal Processing (BlackNitride.com) is "Bear" or Pat. Though they're busy, they're friendly and knowledgable. H&M's office number is (330) 745-3075.
The deal with nitriding an assembled barrel is that the one metal in the barrel extension and the other metal in the barrel might have different rates of expansion under the extreme heat of the salt bath process. I don't know, exactly, what happens when this happens, but the nitriders recommend against it.
Alwie, sounds like you had your assembled barrel nitrided as a unit and had no problems?
The deal with nitriding an assembled barrel is that the one metal in the barrel extension and the other metal in the barrel might have different rates of expansion under the extreme heat of the salt bath process. I don't know, exactly, what happens when this happens, but the nitriders recommend against it.
Alwie, sounds like you had your assembled barrel nitrided as a unit and had no problems?
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