>>23142596grab a magnet
if it's there's 0 interaction we know it's not steel (or nickel, or cobalt)
grab file and file the material for a bit. Try to ignite the filings with butane torch. If it burns very brightly, it's most likely titanium
alternatively grab angle grinder and do pic related
as far as I know only magnesium and titanium make sparks like this when grinded but titanium is way stronger (and heavier)
