上海简帅特种金属有限公司

<p>BZn15-20&nbsp;</p><p>BZn15-20锌白铜是指结构铜镍的合金，俗称德银。&nbsp;</p><p>中文名&nbsp;BZn15-20锌白铜&nbsp;标&nbsp;&nbsp;&nbsp;&nbsp;准&nbsp;（GB/T&nbsp;4423-1992&nbsp;）&nbsp;铜&nbsp;Cu&nbsp;&nbsp;62.0～65.0&nbsp;镍+钴&nbsp;Ni+Co&nbsp;13.5～16.5&nbsp;</p><p>2&nbsp;化学成分&nbsp;</p><p>3&nbsp;力学性能&nbsp;</p><p>BZN15-20介绍&nbsp;</p><p>材料名称：BZn15-20&nbsp;锌白铜&nbsp;标准：（GB/T&nbsp;4423-1992&nbsp;）&nbsp;</p><p>特性及适用范围：&nbsp;</p><p>具有高的强度和耐蚀性,可塑性好，在热态.冷态下可很好地承受压力加工，可加工性不好，焊接性差。&nbsp;</p><p>化学成分&nbsp;</p><p>化学成分：&nbsp;</p><p>铜&nbsp;Cu&nbsp;：62.0～65.0&nbsp;</p><p>镍+钴&nbsp;Ni+Co：13.5～16.5&nbsp;</p><p>锌&nbsp;Zn：余量&nbsp;</p><p>铅&nbsp;Pb：≤0.02&nbsp;</p><p>磷&nbsp;P：≤0.005&nbsp;</p><p>铁&nbsp;Fe：≤0.5&nbsp;</p><p>锰&nbsp;Mn：≤0.3&nbsp;</p><p>硅&nbsp;Si&nbsp;：≤0.15&nbsp;</p><p>锑&nbsp;Sb&nbsp;：≤0.002&nbsp;</p><p>硫&nbsp;S&nbsp;：≤0.01&nbsp;</p><p>砷&nbsp;As&nbsp;：≤0.010&nbsp;</p><p>碳&nbsp;C：≤0.03&nbsp;</p><p>铋&nbsp;Bi：≤0.002&nbsp;</p><p>镁&nbsp;Mg：≤0.05&nbsp;</p><p>注：≤0.9(杂质)&nbsp;</p><p>力学性能&nbsp;</p><p>力学性能：&nbsp;</p><p>抗拉强度&nbsp;σb&nbsp;(MPa)：≥440&nbsp;</p><p>伸长率&nbsp;δ10&nbsp;(%)：≥5&nbsp;</p><p>注&nbsp;：棒材的纵向室温拉伸力学性能&nbsp;</p><p>试样尺寸：直径或对边距离5～12&nbsp;</p><p>热处理规范：铸造温度1170℃;退火温度700～750℃;轧制热加工温度950～970℃;内应力的低温退火温度250℃&nbsp;</p><imgalt=""src="http://user4.dingdanmao.com/Public/Js/Index/Editor33/attached/20200517/20200517021401_84830.jpg"/><br/>