Some scrap metal merchants have hand held Analyzers to sort their metals, if you can find a friendly one he could probably help
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Some scrap metal merchants have hand held Analyzers to sort their metals, if you can find a friendly one he could probably help
Have a read on this hand held XRF analyser Carbon Steel Analysis, Low Alloy Steel Analysis at Its Best with Handheld XRF | Bruker Corporation
Note how careful they are to skirt the real problem in really sorting the grades of steel, they even mention full size laboratories.
Believe me analysing steel is a big problem using any method and I've tried them all.
Peter