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<h1 class="chanpT">冷轧钢板,冷轧钢板与热轧钢板的对比</h1>
<div class="chanpTime">发布时间:2021-03-25</div>
<div class="chanpC"><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热轧板与冷轧板</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热轧钢板，机械性能远不及冷加工，也次于锻造加工，但有较好的韧性和延展性</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">冷轧钢板由于有一定程度的加工硬化，韧性低，但能达到较好的屈强比，用来冷弯弹簧片等零件，同时由于屈服点较靠近抗拉强度，所以使用过程中对危险没有预见性，在载荷超过许用载荷时容易发生事故</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">1) 冷板采用冷扎加工表面无氧化皮，质量好。热板采用热扎加工表面有氧化皮，板厚有下差。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">2)热轧板韧性和表面平整性差，价格较低，而冷轧板的伸展性好，有韧性，但是价格较贵</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">3)轧制分为冷轧和热轧，以再结晶温度为区分点</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">4) 冷轧：冷轧一般用于生产带材，其轧速较高，</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热轧：热轧的温度与锻造的温度相近</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">5)不电镀的热扎板表面成黑褐色,不电镀的冷扎板表面是灰色.电镀后可从表面的光滑程度来区分,冷扎板的光滑度高于热扎板.</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">6）热轧板强度相对较低,表面质量差点(有氧化光洁度低),但塑性好,一般为中厚板,冷轧板:强度高硬度高,表面光洁度高,一般为薄板,可以作为冲压用板.</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">7）热轧钢板分为厚板（厚度大于4mm）和薄板（厚度为0.35~4mm）两种；冷轧钢板只有薄板（厚度为0.2～4mm）一种。</span></p><p style="box-sizing:border-box"><br></p><p style="box-sizing:border-box"><img src="//c.b2b168.net/photo/2021/03/23/17/202103231716219845214.jpg" alt="产品图片 (17)"></p><p style="box-sizing:border-box"><br></p><p style="box-sizing:border-box"><br></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热轧卷板与冷轧卷板</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">冷轧卷板是以热轧卷板为原料，是再结晶下的轧制，但一般理解为使用常温轧制材料的轧制。欧美多采用3~6台连续式轧机作为冷轧设备，包括板和卷。其中成张交货的称为钢板，也称盒板或平板；长度很长、成卷交货的称为钢带，也称卷板。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热轧卷板是以板坯（主要为连铸坯）为原料，经加热后由粗轧机组及精轧机组制成带钢。从精轧最后一架轧机出来的热钢带通过层流冷却至设定温度，由卷取机卷成钢带卷，冷却后的钢带卷，根据用户的不同需求，经过不同的精整作业线（平整、矫直、横切或纵切、检验、称重、包装及标志等）加工而成为钢板、平整卷及纵切钢带产品。由于热连轧钢板产品具有强度高，韧性好，易于加工成型及良好的可焊接性等优良性能，因而北广泛应用于船舶、汽车、桥梁、建筑、机械、压力容器等制造行业。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">随着热轧尺寸精度、板形、表面质量等控制新技术的日益成熟以及新产品的不断问世，热连轧钢板、带产品得到了越来越广泛的应用并在市场上具有越来越强的竞争力。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">产品分类：</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热连轧钢板产品包括钢带（卷）及有其剪切而成的钢板。而钢带（卷）可以分为直发卷及精整卷（分卷、平整卷及纵切卷）。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">主要产品：</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热连轧按其材质、性能的不同可分为：普通碳素结构钢、低合金钢、合金钢。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">按其用途的不同可分为：冷成型用钢、结构钢、汽车结构钢、耐腐蚀结构用钢、机械结构用钢、焊接气瓶及压力容器用钢、管线用钢等。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">一般说明：</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">热连轧钢板产品，钢种规格品种繁多，用途广泛，从一般的工程结构至汽车、桥梁、船舶、锅炉压力容器等制造，都得到大量使用。各种不同用途，对钢板的材质性能、表面质量及尺寸、外形精度等要求也各不相同，因此，必须对热轧钢板产品的品种、材质、特性及其用途有所了解，才能做到经济、合理利用。</span></p><p style="box-sizing:border-box"><span style="line-height:2;font-size:16px">卷板的价格是按照实际重量来算的，而平板是按照理论重量来算的，所以卷板的价格高。</span></p><p><img src="//c.b2b168.net/photo/2021/03/23/17/202103231711176764.jpg" alt="3"></p><p><br></p></div></div>
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