I designed some parts to be made out of C360. Called a metal distributor (one of the county's largest) and they had C360 with Heat numbers. I forgot to ask to see the MTR before ordering. When I got the papers all the supplier gave me was a Certificate of Conformance saying they would only guarantee the chemical composition not the physical. Since the parts were made I sent out a piece to get tested and it failed.
Selling something with a heat number and no test papers is that common?
If the metal failed how can you call it C360?
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