Material:ZCuSn6Zn6Pb3 Size:OD125*ID50 Specification: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 flange gasket