Chemical CompositionCuSn10Standard: DIN CU SN PB ZN FE NI P AL MN SI SB S 88.5-90.5 9.3-11 0.8 0.5 0.15 1.8 0.05 0.01 0.1 0.01 0.15 0.04 GbCuSn12Standard: DIN CU SN PB ZN FE NI P AL MN SI SB S 86-88 11.3-13 0.8 0.5 0.15 1.8 0.05 0.01 0.1 0.01 0.15 0.04 GbCuSn12NiStandard: DIN CU SN PB ZN FE NI P AL MN SI SB S 84-87 11.3-13 0.15 0.3 0.15 1.5-2.4 0.05 0.01 0.1 0.01 0.05 0.04 CuSn4Standard: DINChemical Composition: CU SN PB ZN FE NI P Impurities Rem. 3.5-4.5 0.02 0.2 0.1 0.2 0.01-0.4 0.2 CuSn5Standard: DIN CU SN PB ZN FE NI P Impurities Rem. 4.5-5.5 0.02 0.2 0.1 0.2 0.01-0.4 0.2 CuSn6Standard: DIN CU SN PB ZN FE NI P AL SI S 86-89.5 5.7-6.5 1.2-2 3.2-5 0.25 1 0.03 0.01 0.01 0-0.08 CuSn8Standard: DIN CU SN PB ZN FE NI P Impurities Rem. 7.5-8.5 0.02 0.2 0.1 0.2 0.01-0.4 0.2