TU1无氧铜棒化学成份：铜+银CuAg：≥99.97锡Sn：≤0.002锌Zn：≤0.003铅Pb：≤0.003铅Pb：≤0.003硼P：≤0.002镍Ni：≤0.002铁Fe：≤0.004铍Sb：≤0.002硫S：≤0.004***As：≤0.002铋Bi：≤0.001氧O：≤0.002注：≤0.03(杂质)特性及适用范围：纯度高，导电、导热性***，无“氢病”或***“氢病”;加工性能和焊接、耐蚀、耐蚀性均好。)