供应易切削黄铜棒板JMC-12-Y C3501 C3601 C3602 C3603 C3604

易切削黄铜棒板JMC-12-Y C3501 C3601 C3602 C3603 C3604 C3605 C3771 主要化学成份 合金 成分 Composition JIS Cu Pb Zn Fe Sn 不純物 C3501 60.0-64.0 0.7-1.7 REM ≤0.2 Fe＋Sn≤0.4 - C3601 59.0-63.0 1.8-3.7 REM ≤0.3 Fe＋Sn≤0.5 - C3602 59.0-63.0 1.8-3.7 REM ≤0.5 Fe＋Sn≤1.2 - C3603 57.0-61.0 1.8-3.7 REM ≤0.35 Fe＋Sn≤0.6 - C3604 57.0-61.0 1.8-3.7 REM ≤0.5 Fe＋Sn≤1.2 - C3605 56.0-60.0 3.5-4.5 REM ≤0.5 Fe＋Sn≤1.2 - C3771 57.0-61.0 1.0-2.5 REM ≤0.5 Fe＋Sn≤1.0 - C3600 60.0-63.0 2.5-3.7 REM ≤0.35 其余杂质≤0.5 C3771 57.0-60.0 0.8-1.9 REM ≤0.5 其余杂质≤1.0