Annealing Privi and S&B brass

Just annealed brass from different manufacturers, and found both look different.
The S&B brass has a distinct colour change, bit like Lapua does.
The Privi stuff has less of a contrast, colour wise.
Both annealed exactly the same
So, does S&B brass have more copper in the 'mixture' ?
Thoughts ?

PS, both reload, and shoot, fine. :thumbsup:

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Originally Posted by Frogfeatures

Just annealed brass from different manufacturers, and found both look different.
The S&B brass has a distinct colour change, bit like Lapua does.
The Privi stuff has less of a contrast, colour wise.
Both annealed exactly the same
So, does S&B brass have more copper in the 'mixture' ?
Thoughts ?

PS, both reload, and shoot, fine. :thumbsup:

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I have found that old brass colours up more that new/polished brass, especially Norma.

Yeah its just the different surface finish on the brass