不锈钢板的物理特性

摘要：<span style="font-family:宋体;">不锈钢板的物理特性</span> <p class="MsoNormal"> <span style="font-family:宋体;">耐腐蚀性：</span><span style="font-family:宋体;">不锈钢板具有与不稳定的镍铬合金</span><span>304</span><span style="font-family:宋体;">相似的抵挡一般腐蚀的能力。在碳化铬程度的温度范围中的长时间加热可能会影响合金</span><span>321</span><span style="font-family:宋体;">和</span><span>347</span><span style="font-family:宋体;">在恶劣的腐蚀介质中的。主要用于高温应用，高温应用要求材料有强的**化性，以防止在较低温度的粒间腐蚀。</span><span><br /> </span><span style="font-family:宋体;">高温抗氧化性：</span><span style="font-family:宋体;">不锈钢板都具有高温抗氧化性，但是，氧化率会受暴露环境以及产品形态等固有因素的影响。</span><span><br /> </span><span style="font-family:宋体;">物理性能：</span><span style="font-family:宋体;">金属的总传热系数除了取决于金属的导热系数外，还取决于其它因素。在大多数情况下，膜层散热系数、锈皮和金属的表面状况。不锈钢能保持表面整洁，因此它的传热性比其它导热系数更高的金属更好。聊城三得利不锈钢提供八、不锈钢板的技术标准　不锈钢板耐蚀性、弯曲加工性能和焊接部位韧性、以及焊接部位的冲压加工性能优良的高强度不锈钢板及其制造方法。具体说是把含</span><span>C</span><span style="font-family:宋体;">：</span><span>0.02%</span><span style="font-family:宋体;">以下、</span><span>N</span><span style="font-family:宋体;">：</span><span>0.02%</span><span style="font-family:宋体;">以下、</span><span>Cr</span><span style="font-family:宋体;">：</span><span>11%</span><span style="font-family:宋体;">以上小于</span><span>17%</span><span style="font-family:宋体;">、适当含量的</span><span>Si</span><span style="font-family:宋体;">、</span><span>Mn</span><span style="font-family:宋体;">、</span><span>P</span><span style="font-family:宋体;">、</span><span>S</span><span style="font-family:宋体;">、</span><span>Al</span><span style="font-family:宋体;">、</span><span>Ni</span><span style="font-family:宋体;">，而且满足</span><span>12≤Cr Mo 1.5Si≤17</span><span style="font-family:宋体;">、</span><span>1≤Ni 30(C N) 0.5(Mn Cu)≤4</span><span style="font-family:宋体;">、</span><span>Cr 0.5(Ni Cu) 3.3Mo≥16.0</span><span style="font-family:宋体;">、</span><span>0.006≤C N≤0.030</span><span style="font-family:宋体;">的不锈钢板加热到</span><span>850</span><span style="font-family:宋体;">～</span><span>1250</span><span style="font-family:宋体;">℃，然后进行以</span><span>1</span><span style="font-family:宋体;">℃</span><span>/s</span><span style="font-family:宋体;">以上的冷却速度冷却的热处理。这样可以成为含体积分数</span><span>12%</span><span style="font-family:宋体;">以上马氏体的组织、</span><span>730MPa</span><span style="font-family:宋体;">以上的高强度、耐蚀性和弯曲加工性能、焊接热影响区韧性优良的高强度不锈钢板。再利用含</span><span>Mo</span><span style="font-family:宋体;">、</span><span>B</span><span style="font-family:宋体;">等，可以显著提高焊接部位的冲压加工性能。</span><span><br /> </span><span style="font-family:宋体;">氧气加煤气的火焰不能切割不锈钢板是因为不锈钢不易被氧化。</span><span><br /> </span><span>5CM</span><span style="font-family:宋体;">厚的不锈钢板要用特殊的切割工具加工，例如：</span><span><br /> </span><span>(1)</span><span style="font-family:宋体;">较大瓦数的</span><span>Laser Cutting machine(</span><span style="font-family:宋体;">镭射切割机）</span><span><br /> </span><span>(2)</span><span style="font-family:宋体;">油压锯机</span><span><br /> </span><span>(3)</span><span style="font-family:宋体;">磨碟</span><span><br /> </span><span>(4)</span><span style="font-family:宋体;">人手锯</span><span><br /> </span><span>(5)Wire Cutting machine (</span><span style="font-family:宋体;">线切割机</span><span>)</span><span style="font-family:宋体;">。</span><span><br /> </span><span>(6)</span><span style="font-family:宋体;">高压水射流切割（专业水刀切割：）</span><span><br /> </span><span>(7)</span><span style="font-family:宋体;">等离子弧切割</span> </p> <p class="MsoNormal"> <span></span> </p>