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Bronze Standard:ZCuSn5Pb5Zn5(C83600), ZCuSn10P1, ZCuSn10Zn2(C90500), ZCuSn7P0.2, ZCuSn6Zn6Pb3, ZCuA19Fe4(C61900), ZCuA19Fe4Ni4Mn2(C95800), ZcuA11OFe3Mn2, ZCuPb10Sn10(C93700).
Brass Standard:HPb59-1,H62, H68, HA177-2, HA166-6-3-2, HMn58-2, HFe59-1.
bronze washer
