HSi80-3硅黄铜化学HSi80-3硅黄铜用途

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">在铜锌合金的基础上,加入硅的黄铜。它在大气和海水中均有较高的耐蚀性,*应力腐蚀*裂的能力高于一般黄铜。含硅量一般在<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">4%以下。常用硅黄铜<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">80Cu-17Zn-3Si能承受热压力加工,耐蚀性优良,软态的拉伸强度为<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">300MPa,伸长率为<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">58%,适用于制作船舶零件,蒸汽管和水管配件等。这种合金的含铅量不能超过<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.01%,否则会损害热塑性,特别是热锻性能。<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">65Cu-31.5Zn-1.5Si-Pb为含铅的硅黄铜,具有较高的切削性,减摩性和耐蚀性,主要用于*锡青铜的代用品。

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">HSi80-3硅黄铜有良好的力学性能,耐蚀性高,无腐蚀*裂倾向,*性亦可,在冷态、热态下压力加工性好,易焊接和钎焊,切削性好。导热导电性是黄铜中的。<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">[1]

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">2用途

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">HSi80-3硅黄铜用于船舶零件、蒸汽管和水管配件等。

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">3物理性能

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">HSi80-3硅黄铜

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">化学成份

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">铜<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Cu :<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">79.0~<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">81.0

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">锡<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Sn :≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.2

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">锌<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Zn:余量

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">铅<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Pb:≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.1

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">磷<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> P:≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.02

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">铝<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Al:≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.1

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">铁<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Fe:≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.6

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">锰<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Mn:≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.5

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">硅<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Si :<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">2.5~<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">4.0

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">锑<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Sb :≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.05

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">铋<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"> Bi:≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">0.003

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">注:≤<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">1.5(杂质<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">)[2]

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">力学性能

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">*拉强度 σ<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">b (MPa):≥<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">295

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">伸长率 δ<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">10 (%):≥<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">25

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">注 :棒材的纵向室温拉伸力学性能

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">试样尺寸:直径<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">10~<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">75[3]

<*n style="font-size:12px"><*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif"><*n style="color:#000000"><*n style="background-color:#ffffff">●热处理规范:热加工温度<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">750~<*n style="font-family:tahoma,arial,"Hiragino Sans GB",宋体,sans-serif">850℃