Mysteel：堆焊复合耐磨钢板与耐磨钢板区别及应用-我的钢铁网

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<p>堆焊耐磨复合钢板是指在普通钢板的基板上通过堆焊方法复合高合金耐磨层，结合耐磨层的耐磨性能和基板的承载、变形能力和可焊接性能。耐磨层的硬度一般在HRC52-64之间。耐磨钢板是指低合金钢板在轧制过程中淬火硬化或对低合金钢板进行热处理淬火硬化后的钢板，也称为调质钢板，硬度一般在HB350-500。</p> <p>二、堆焊耐磨钢板与耐磨钢板的区别</p> <p>1.外观不同</p> <p style="text-align: center;"><img alt="" src="//img04.mysteelcdn.com/wz/uploaded/steel/2022/07/19/170646.png" style="width: 500px; height: 500px;" /></p> <p style="text-align: center;">图片1 堆焊耐磨钢</p> <p style="text-align: center;"><img alt="" src="//img03.mysteelcdn.com/wz/uploaded/steel/2022/07/19/170521.png" style="width: 500px; height: 500px;" /></p> <p style="text-align: center;">图片2 耐磨钢板</p> <p>堆焊复合耐磨钢板一面有堆焊焊道同时大部分表面有不规则细小裂纹。而耐磨钢板整体外观与普通钢板并无二样。</p> <p>2.耐磨的整体机理不同</p> <p>耐磨复合钢板的耐磨层是高合金成分，金相组织中有大量高硬度合金碳化物（HV1600左右）镶嵌在基体上，起抗磨作用的主要的碳化物。耐磨层的实际微观硬度远高于测定的宏观硬度。其强化方式与硬质合金相同。耐磨复合钢板金相中有白色碳化铬硬质相，整体硬度很高。而耐磨钢板是整体淬火硬化，金相组织中有马氏体使整体硬度有了提高，微观硬度和宏观硬度基本相同。</p> <p>3.耐温性能不同</p> <p>耐磨钢板在高于250℃使用就逐渐退火失去硬度，使耐磨性能大幅度下降，同时焊接过程也会让焊缝附近的硬度下降。耐磨复合钢板的耐磨层是高合金成分，在一定的温度下还有二次硬化的效果，一般能在650℃以下工作。</p> <p>4.耐磨性能不同</p> <p>根据实验数据来看，堆焊复合耐磨钢板整体的耐磨性能高于普通低碳钢20-30倍；高于<a href='https://bxg.m.mysteel.com/' target='_blank' style='color:#3861ab'>不锈钢</a>5倍；高于奥氏体锰钢5-10倍；与陶瓷的耐磨性能基本相等。</p> <p>5.加工方法不同</p> <p>以打孔为例，耐磨钢板可以采用机械方法打孔，而堆焊耐磨复合钢板无法使用机械方法打孔，只能运用等离子切割并用气炮台阶孔。同时耐磨复合钢板成型受限制较多，折弯性能远不如热处理耐磨钢板，高合金堆焊层基本无法实现机加工，焊接也只能在基板上进行。热处理耐磨钢板可适用所有的切割下料方式，折弯成型性能较好，在遵从一定工艺的情况下，机加工和焊接比较容易实现。</p> <p>三、价格对比</p> <p>以矿场下料车衬板为例，当前市场整体多采购16Mn的耐磨钢板，而常用规格维持在20mm-30mm之间，按照当前的市场情况16Mn 20mm的耐磨钢板大概1平方米的价格为600-700左右。而以8+6（8mm基板+6mm耐磨层）的堆焊复合耐磨钢板为例，当前的市场价格大概1平米的价格在3000元左右。虽然堆焊耐磨钢板整体价格是耐磨钢板的5-6倍但是由于其耐磨性普遍高于耐磨钢板8-10倍，因此，对于矿场下料衬板，堆焊耐磨钢板的整体的性价比还是比较高的。</p> <p>四、下游应用</p> <p>堆焊复合耐磨钢板与耐磨钢板在整体的行业应用上有重叠的部分，但根据上文提到的不同性能所应用的场合也有所区别。对下游的应用是一个综合的考量，多数应用首先考虑其性能，其次考虑性价比。</p> <p>复合堆焊耐磨钢板主要用于钢铁冶金、建材机械、电力机械、矿山机械、水泥行业、风机行业等各种易磨损设备部件的表面强化。</p> <p>1.水泥行业：选粉机叶片、搅拌机刀片、孰料滑运平台、内磨衬板、导风锥、输料管道、振动筛板、料仓、溜槽、水泥立磨的修复等。</p> <p>2.风机行业：风机叶轮，旋风分离器、风机叶片、后盘衬板、风机机口、易磨损部件等。</p> <p>3.钢铁冶金：布料溜槽、料仓衬板、滑运斜面、网幕、鼓风锅炉钟形罩、料车、鼓风锅炉强化钢板、烧结送料筒、管道、配送料板、出渣槽、排风机、高<a href='https://m.mysteel.com/market/p-967-----03-0--------1.html' target='_blank' style='color:#3861ab'>炉料</a>罐衬板、干熄焦焦罐衬板、推焦车衬板滑板底板、拦焦车衬板滑板底板、烧结机单辊破碎机、刮刀、水梁及壁板的修复制作等。</p> <p>4.<a href='https://m.mysteel.com/market/p-967-----0502-0--------1.html' target='_blank' style='color:#3861ab'>煤炭</a>工业：轮斗挖掘机的锥体耐磨衬板，刮板式输煤机中部槽中板，输料槽，料斗，井矿提升箕斗，洗煤厂的管道，溜槽。</p> <p>5.电力机械：风机叶轮、煤灰管道、料仓、输料槽、煤炭输送部件、料斗内衬、中速磨煤磨的修复、燃烧器喷嘴等。</p> <p>6.其他行业：太阳能玻璃、矿山机械、建筑机械、煤矿机械、耐磨风机制造、制砖、沙石开采煤炭行业中的料仓衬板，刮板输送机底板，筛板等。</p> <p>耐磨钢板的应用同样以火电厂、煤场、水泥厂、装载机械、矿山机械、建筑机械、工程机械这些为主。</p> <p>1.火电厂：中速磨煤机的筒体衬板，风机叶轮的窝壳，除尘器的入口烟道，灰渣导管，斗轮机的衬板，分离器的连接管，碎煤机的衬板，煤斗及破碎机的衬板，燃烧器的烧嘴，落煤斗和漏斗的衬板，空预器的支架护瓦，分离器的导向叶片。</p> <p>2.煤场：送料槽及漏斗的内衬，料斗的衬套，风机的叶片，推料机的底板，旋风收尘器、<a href='https://m.mysteel.com/market/p-967-----0501-0--------1.html' target='_blank' style='color:#3861ab'>焦炭</a>导向器的衬板，球磨机的内衬，钻头稳定器，螺旋加料器料钟及其基座，揉捏机铲斗的内衬，环形送料器、翻斗车的底板。由于煤场的环境较为恶劣，对耐磨钢板的整体要求比较多，不仅要考虑其耐磨性，也要考虑其耐腐蚀性。因此，这类耐磨钢板多以德国DILLIDUR与瑞典SSAR还有日本JFE居多。</p> <p>3.水泥厂：溜槽内衬，末端衬套，旋风收尘器，选粉机叶片和导向叶片，风扇叶片及内衬，回收斗内衬，螺旋输送机底板，管道组件，熔块冷却盘内衬，输送槽衬板。同样这些零部件对耐磨性与耐腐蚀性的要求比较高，但当前多数已经被国产企业替代如涟钢、宝钢、山钢等。</p> <p>4.装载机械：卸轧机链板，料斗衬板，抓斗刃板，自动翻斗车翻斗板，自卸车车身。</p> <p>5.矿山机械：矿料、石料破碎机衬板、叶片，输送机衬板、挡板。</p> <p>6.建筑机械：水泥推料机齿板，<a href='https://m.100njz.com/market/p-968-----1002-0--------1.html' target='_blank' style='color:#3861ab'>混凝土</a>搅拌楼、搅拌机衬板，除尘器衬板，制砖机模具板。</p> <p>7.工程机械：装载机、推土机、挖掘机铲斗板、侧刃板、斗底板、刀片、旋挖钻机钻杆。</p> <p>五、总结</p> <p>随着市场的进一步发展，无论是堆焊复合耐磨钢板还是耐磨钢板目前属于比较良好的发展态势，但当前面对的挑战依旧严峻，下游对不同耐磨性能的钢板要求也越来越多，市场销售压力较大。因此，对堆焊复合耐磨钢板与耐磨钢板进行一个简单的科普，希望对各位老铁有所帮助！</p> <p>望各位老铁砥砺前行，突破困境，宏图展志，再创辉煌！</p> <p>资源推广、货物采销、配套服务！</p> <p>联系耐磨钢负责人：杜宗源电话：15075538522</p>  <br /> </div> </div> </article> <article class="content-block m-copyRight"> 资讯编辑：杜宗源 021-26096627 </br> 资讯监督：杜宗源 021-26096627 </br> 资讯投诉：陈杰 021-26093100 </br> </article> <article class="content-block m-copyRight h-statement"> <p 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