供应美国LC4铝材

<p><strong><span style="font-size: 14pt; color: red; font-family: Arial;">7A</span></strong><strong><span style="font-size: 14pt; color: red; font-family: Arial;">04</span></strong><strong><span style="font-size: 14pt; color: red; font-family: 宋体;">旧称：</span></strong><strong><span style="font-size: 14pt; color: red; font-family: Arial;">LC4 </span></strong></p> <p><span style="font-size: 12pt; color: black; font-family: 宋体;">标准：</span><span style="font-size: 12pt; color: black; font-family: Arial;">GB/T 4437.1-2000</span></p> <p><strong><span style="font-size: 12pt; color: black; font-family: 宋体;">化学成分：</span></strong><span style="font-size: 12pt; color: black; font-family: 宋体;">硅</span><span style="font-size: 12pt; color: black; font-family: Arial;">Si</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">0.50</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　铁</span><span style="font-size: 12pt; color: black; font-family: Arial;">Fe: 0.50</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　铜</span><span style="font-size: 12pt; color: black; font-family: Arial;">Cu</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">1.4-2.0</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　锰</span><span style="font-size: 12pt; color: black; font-family: Arial;">Mn</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">0.20-0.6</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span></p> <p><span style="font-size: 12pt; color: black; font-family: 宋体;">镁</span><span style="font-size: 12pt; color: black; font-family: Arial;">Mg</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">1.8-2.8</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　铬</span><span style="font-size: 12pt; color: black; font-family: Arial;">Cr</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">0.10-0.25</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　锌</span><span style="font-size: 12pt; color: black; font-family: Arial;">Zn</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">5.0-7.0</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　钛</span><span style="font-size: 12pt; color: black; font-family: Arial;">Ti</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">0.10</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span></p> <p><span style="font-size: 12pt; color: black; font-family: 宋体;">铝</span><span style="font-size: 12pt; color: black; font-family: Arial;">Al</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：余量</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　其他：单个：</span><span style="font-size: 12pt; color: black; font-family: Arial;">0.05</span><span style="font-size: 12pt; color: black; font-family: 宋体;">合计：</span><span style="font-size: 12pt; color: black; font-family: Arial;">0.10</span></p> <p><strong><span style="font-size: 12pt; color: black; font-family: 宋体;">力学性能：</span></strong><span style="font-size: 12pt; color: black; font-family: 宋体;">抗拉强度</span><span style="font-size: 12pt; color: black; font-family: Arial;">σb (MPa)</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">≥530</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　伸长应力</span><span style="font-size: 12pt; color: black; font-family: Arial;">σp0.2 (MPa)</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">≥400</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span></p> <p><span style="font-size: 12pt; color: black; font-family: 宋体;">伸长率</span><span style="font-size: 12pt; color: black; font-family: Arial;">δ10 (</span><span style="font-size: 12pt; color: black; font-family: 宋体;">％</span><span style="font-size: 12pt; color: black; font-family: Arial;">)</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：</span><span style="font-size: 12pt; color: black; font-family: Arial;">≥5</span><span style="font-size: 12pt; color: black; font-family: 宋体;">；</span><span style="font-size: 12pt; color: black; font-family: 宋体;">　　注</span><span style="font-size: 12pt; color: black; font-family: 宋体;">：管材室温纵向力学性能</span></p> <p><span style="font-size: 12pt; color: black; font-family: 宋体;">试样尺寸：所有</span></p> <p><strong><span style="font-size: 12pt; color: black; font-family: 宋体;">热处理规范：</span></strong></p> <p><span style="font-size: 12pt; color: black; font-family: 宋体;">均匀化退火：加热</span><span style="font-size: 12pt; color: black; font-family: Arial;">450</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">465</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: Arial;">;</span><span style="font-size: 12pt; color: black; font-family: 宋体;">保温</span><span style="font-size: 12pt; color: black; font-family: Arial;">12</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">14h;</span><span style="font-size: 12pt; color: black; font-family: 宋体;">炉冷。</span></p> <p><span style="font-size: 12pt; color: black; font-family: Arial;">2)</span><span style="font-size: 12pt; color: black; font-family: 宋体;">完全退火：加热</span><span style="font-size: 12pt; color: black; font-family: Arial;">390</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">430</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: Arial;">;</span><span style="font-size: 12pt; color: black; font-family: 宋体;">保温</span><span style="font-size: 12pt; color: black; font-family: Arial;">30</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">120min;</span><span style="font-size: 12pt; color: black; font-family: 宋体;">炉冷至</span><span style="font-size: 12pt; color: black; font-family: Arial;">150</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: 宋体;">空冷。</span></p> <p><span style="font-size: 12pt; color: black; font-family: Arial;">3)</span><span style="font-size: 12pt; color: black; font-family: 宋体;">淬火和时效</span><span style="font-size: 12pt; color: black; font-family: Arial;">:</span><span style="font-size: 12pt; color: black; font-family: 宋体;">淬火</span><span style="font-size: 12pt; color: black; font-family: Arial;">465</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">480</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: Arial;">,</span><span style="font-size: 12pt; color: black; font-family: 宋体;">水冷</span><span style="font-size: 12pt; color: black; font-family: Arial;">;</span><span style="font-size: 12pt; color: black; font-family: 宋体;">人工时效</span><span style="font-size: 12pt; color: black; font-family: Arial;">(</span><span style="font-size: 12pt; color: black; font-family: 宋体;">包铝板材</span><span style="font-size: 12pt; color: black; font-family: Arial;">)115</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">125</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: Arial;">24h</span><span style="font-size: 12pt; color: black; font-family: 宋体;">、</span></p> <p align="center"><span style="font-size: 12pt; color: black; font-family: Arial;">(</span><span style="font-size: 12pt; color: black; font-family: 宋体;">未包铝型材</span><span style="font-size: 12pt; color: black; font-family: Arial;">)135</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">145</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: Arial;">16h</span><span style="font-size: 12pt; color: black; font-family: 宋体;">、</span><span style="font-size: 12pt; color: black; font-family: Arial;">(</span><span style="font-size: 12pt; color: black; font-family: 宋体;">半制品</span><span style="font-size: 12pt; color: black; font-family: Arial;">)</span><span style="font-size: 12pt; color: black; font-family: 宋体;">分</span><span style="font-size: 12pt; color: black; font-family: Arial;">1</span><span style="font-size: 12pt; color: black; font-family: 宋体;">级</span><span style="font-size: 12pt; color: black; font-family: Arial;">115</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">125</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: Arial;">3h</span><span style="font-size: 12pt; color: black; font-family: 宋体;">加热</span><span style="font-size: 12pt; color: black; font-family: Arial;">,2</span><span style="font-size: 12pt; color: black; font-family: 宋体;">级</span><span style="font-size: 12pt; color: black; font-family: Arial;">155</span><span style="font-size: 12pt; color: black; font-family: 宋体;">～</span><span style="font-size: 12pt; color: black; font-family: Arial;">165</span><span style="font-size: 12pt; color: black; font-family: 宋体;">℃</span><span style="font-size: 12pt; color: black; font-family: Arial;">3h</span><span style="font-size: 12pt; color: black; font-family: 宋体;">空冷。</span></p> <p><span style="font-size: 12pt; color: black; font-family: 宋体;">状态：铝及铝合金热挤压无缝圆管</span><span style="font-size: 12pt; color: black; font-family: Arial;">(H112</span><span style="font-size: 12pt; color: black; font-family: 宋体;">、</span><span style="font-size: 12pt; color: black; font-family: Arial;">T6</span><span style="font-size: 12pt; color: black; font-family: 宋体;">态）</span>^{<span style="font-size: 12pt; color: black; font-family: Arial;">[</span>}</p>