HPb62-2 60-63 --HPb62-3 60-63 --HPb63-3 62-65 、 % % Cu Zn Pb Fe Ni H59 57-60 HP62 57-60 H65
contactHPb62-3 C3602 ≤ Fe+Sn≤ ≤ HPb60-2 C3603 ≤ Fe+Sn≤ CuZn30 C26000 CZ106 H80 C2400 CuZn20 C24000 CZ103 H85 C2300 CuZn15 C23000 CZ102 H90 C2200
contactHPb62-3, GB, GB/T 5231, Designation and chemical composition of wrought copper and copper alloys, GB/T 26048, Free-cutting copper alloy wire, GB/T 26306, Free-cutting
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