QMn1.5, GB, GB/T 2059, Copper and copper alloy strip, GB/T 5231, Designation and chemical composition of wrought copper and copper alloys, GB/T 2040, Copper and
contactCopper alloy is made by adding alloy elements in pure copper by common alloying elements, zinc, tin, aluminum, manganese, nickel, iron, titanium,zirconium, beryllium,
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