不銹鋼板的物理特性

摘要：<span style="font-family:宋體;">不銹鋼板的物理特性</span> <p class="MsoNormal"> <span style="font-family:宋體;">耐腐蝕性：</span><span style="font-family:宋體;">不銹鋼板具有與不穩定的鎳鉻合金</span><span>304</span><span style="font-family:宋體;">相似的抵擋一般腐蝕的能力。在碳化鉻程度的溫度范圍中的長時間加熱可能會影響合金</span><span>321</span><span style="font-family:宋體;">和</span><span>347</span><span style="font-family:宋體;">在惡劣的腐蝕介質中的。主要用于高溫應用，高溫應用要求材料有強的**化性，以防止在較低溫度的粒間腐蝕。</span><span><br /> </span><span style="font-family:宋體;">高溫抗氧化性：</span><span style="font-family:宋體;">不銹鋼板都具有高溫抗氧化性，但是，氧化率會受暴露環境以及產品形態等固有因素的影響。</span><span><br /> </span><span style="font-family:宋體;">物理性能：</span><span style="font-family:宋體;">金屬的總傳熱系數除了取決于金屬的導熱系數外，還取決于其它因素。在大多數情況下，膜層散熱系數、銹皮和金屬的表面狀況。不銹鋼能保持表面整潔，因此它的傳熱性比其它導熱系數更高的金屬更好。聊城三得利不銹鋼提供八、不銹鋼板的技術標準　不銹鋼板耐蝕性、彎曲加工性能和焊接部位韌性、以及焊接部位的沖壓加工性能優良的高強度不銹鋼板及其制造方法。具體說是把含</span><span>C</span><span style="font-family:宋體;">：</span><span>0.02%</span><span style="font-family:宋體;">以下、</span><span>N</span><span style="font-family:宋體;">：</span><span>0.02%</span><span style="font-family:宋體;">以下、</span><span>Cr</span><span style="font-family:宋體;">：</span><span>11%</span><span style="font-family:宋體;">以上小于</span><span>17%</span><span style="font-family:宋體;">、適當含量的</span><span>Si</span><span style="font-family:宋體;">、</span><span>Mn</span><span style="font-family:宋體;">、</span><span>P</span><span style="font-family:宋體;">、</span><span>S</span><span style="font-family:宋體;">、</span><span>Al</span><span style="font-family:宋體;">、</span><span>Ni</span><span style="font-family:宋體;">，而且滿足</span><span>12≤Cr Mo 1.5Si≤17</span><span style="font-family:宋體;">、</span><span>1≤Ni 30(C N) 0.5(Mn Cu)≤4</span><span style="font-family:宋體;">、</span><span>Cr 0.5(Ni Cu) 3.3Mo≥16.0</span><span style="font-family:宋體;">、</span><span>0.006≤C N≤0.030</span><span style="font-family:宋體;">的不銹鋼板加熱到</span><span>850</span><span style="font-family:宋體;">～</span><span>1250</span><span style="font-family:宋體;">℃，然后進行以</span><span>1</span><span style="font-family:宋體;">℃</span><span>/s</span><span style="font-family:宋體;">以上的冷卻速度冷卻的熱處理。這樣可以成為含體積分數</span><span>12%</span><span style="font-family:宋體;">以上馬氏體的組織、</span><span>730MPa</span><span style="font-family:宋體;">以上的高強度、耐蝕性和彎曲加工性能、焊接熱影響區韌性優良的高強度不銹鋼板。再利用含</span><span>Mo</span><span style="font-family:宋體;">、</span><span>B</span><span style="font-family:宋體;">等，可以顯著提高焊接部位的沖壓加工性能。</span><span><br /> </span><span style="font-family:宋體;">氧氣加煤氣的火焰不能切割不銹鋼板是因為不銹鋼不易被氧化。</span><span><br /> </span><span>5CM</span><span style="font-family:宋體;">厚的不銹鋼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:宋體;">較大瓦數的</span><span>Laser Cutting machine(</span><span style="font-family:宋體;">鐳射切割機）</span><span><br /> </span><span>(2)</span><span style="font-family:宋體;">油壓鋸機</span><span><br /> </span><span>(3)</span><span style="font-family:宋體;">磨碟</span><span><br /> </span><span>(4)</span><span style="font-family:宋體;">人手鋸</span><span><br /> </span><span>(5)Wire Cutting machine (</span><span style="font-family:宋體;">線切割機</span><span>)</span><span style="font-family:宋體;">。</span><span><br /> </span><span>(6)</span><span style="font-family:宋體;">高壓水射流切割（專業水刀切割：）</span><span><br /> </span><span>(7)</span><span style="font-family:宋體;">等離子弧切割</span> </p> <p class="MsoNormal"> <span></span> </p>