I was basically looking for a US standard that this material is supposed to match so that I can hold them to it. They replied with a standard of ASTM C37800, but the copper.org website says this was cancelled in 1992. What exactly does this mean when it is cancelled? It's still a standard...
I am working with a supplier in China that is using what they call a Brass 59-1A. I have a composition material cert. sheet showing the following:
Cu 57.308
Pb 1.896
Al 0.352
Fe 0.496
Cd 0.0071
Zn Balance
I have searched all over to find a comparable brass in a US standard, but have...