<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman""> 表示平均含铜量为*n><*n lang="EN-US">62%*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">的普通黄铜,其中,*n><*n lang="EN-US">H—*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">汉字*n><*n lang="EN-US">“*n><*n style="font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">黄*n><*n lang="EN-US">”*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">的拼音字母的****个字母,*n><*n lang="EN-US">62—*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">铜元素的平均含量;在普通黄铜的基础上加入其它元素的铜合金称特殊黄铜,仍以*n><*n lang="EN-US">"H"*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">表示,后面会跟其它添加元素的化学符号和平均成份,如*n><*n lang="EN-US">H62*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">为含铜量为*n><*n lang="EN-US">60.5%*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">~*n><*n lang="EN-US">63.5%*n><*n style="font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">,余量为锌含量*n><*n lang="EN-US">;*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">而*n><*n lang="EN-US">HAl
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">化学成分*n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""> 铜(*n><*n lang="EN-US">Cu*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">):*n><*n lang="EN-US">60.5~63.5% *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">铁(*n><*n lang="EN-US">Fe*n><*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">):*n><*n lang="EN-US"> ≤ 0.15% *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""> 铅(*n><*n lang="EN-US">Pb)*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">:*n><*n lang="EN-US">≤ 0.08% *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""> 锑(*n><*n lang="EN-US">Sb*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">):*n><*n lang="EN-US">≤0.005% *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""> 铋(*n><*n lang="EN-US">Bi*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">):*n><*n lang="EN-US">≤0.002% *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""> 磷(*n><*n lang="EN-US">P*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">):*n><*n lang="EN-US">≤0.01% *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""> 锌(*n><*n lang="EN-US">Zn)*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">:余量*n><*n lang="EN-US"> *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""> 杂质总和:*n><*n lang="EN-US">≤0.5% *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">特性:普通黄铜,有良好的力学性能,热态下塑性好,冷态下塑性也可以,切削性好,易钎焊和焊接,耐蚀,但易产生腐蚀*裂。此外价格便宜,是应用广泛的一个普通黄铜品种。*n><*n lang="EN-US">H62*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">(即四六黄铜)。在室温下*n><*n lang="EN-US">β*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">相较*n><*n lang="EN-US">α*n><*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">相硬得多,因而可用于承受较大载荷的零件。*n><*n lang="EN-US">α+β*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">两相黄铜可在*n><*n lang="EN-US">600*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">℃以上进行热加工。*n><*n lang="EN-US">α+β*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">两相黄铜显微*:*n><*n lang="EN-US">α*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">为亮白色的固溶体,*n><*n lang="EN-US">β*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">是*n><*n lang="EN-US">CuZn*n><*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">为基的有序固溶体。强电场对*n><*n lang="EN-US">H62*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">黄铜高温变形时空洞的*作用。*n><*n lang="EN-US"> *n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">用途:可做各种深拉深和弯折制造的受力零件,如销钉、铆钉、垫圈、螺母、导管、、气压表弹簧、筛网、散热器零件等。*n><*n lang="EN-US"> *n>
<*n style="font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">机械性能*n>
<*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">*拉强度(*n><*n lang="EN-US">Rm N/mm2*n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">):*n><*n lang="EN-US">385.0 *n><*n style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">延伸率(*n><*n lang="EN-US">A%*n><*n style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">):*n><*n lang="EN-US">15.0*n>