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  <title><![CDATA[无缝钢管 -最近更新新闻列表2026/4/5]]></title>
  <description><![CDATA[无缝钢管 _最近更新新闻列表]]></description>
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<title><![CDATA[无缝钢管与焊接钢管的区别]]></title>
<description><![CDATA[无缝钢管与焊接钢管的区别主要是指其成型方法不同。无缝管截面为整体环形；和焊接管截面有焊缝存在。1、按用途：无缝管是可用于0.8MRa以上的液流管、承压零件；焊接管只能用于0.8MRa以下液流管、结构管。2、按来源：无缝管是钢坯穿孔挤压而成；焊管是带钢焊接而成。3、按价值：无缝管高；焊管低，无缝管比焊管高于1500--2000元/吨。4、按命名：无缝管直接标明，如Φ32X2.5表明直径为32，壁厚]]></description>
<link><![CDATA[http://www.lcdswz.com/art/771.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:36:57]]></pubDate>
<category><![CDATA[公司新闻]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/771.html]]></comments>
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<title><![CDATA[大口径高压锅炉管未来前景]]></title>
<description><![CDATA[大口径高压锅炉管在过去的2018年里一直是处于去产能的领头地位，因为它的产能严重过剩，这样给大口径高压锅炉管的发展带来了一定的影响。现在随着经济的发展，2018年春节过后，大口径高压锅炉管的产能已经基本上完成百分之六十，所以大口径高压锅炉管厂召开了会议，决定今年的多半任务就是完成去产能，促进自身发展，销售量提高3个百分点。那么下面看一下大口径高压锅炉管厂的具体做法吧!　　，大口径高压锅炉管应怎样发]]></description>
<link><![CDATA[http://www.lcdswz.com/art/770.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:36:14]]></pubDate>
<category><![CDATA[公司新闻]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/770.html]]></comments>
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<title><![CDATA[锅炉管在市场重要性]]></title>
<description><![CDATA[我国每年新增火力发电机组对高压锅炉管的需求量约在50到60万吨之间，而用于关键耐热和耐高压部位的超临界锅炉管年需求量保持在 8到9 万吨之间。　　对于一般钢级的高压锅炉管，包括主给水管道、过热蒸汽管道冷段的锅炉管，我国目前已经可以批量生产，完全可以自己自足，但主蒸汽管道及过热蒸汽管道热段这种P91、P92等钢级的大直径厚壁高压锅炉管仍有相当一部分需要进口。　　2015年至2]]></description>
<link><![CDATA[http://www.lcdswz.com/art/769.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:35:29]]></pubDate>
<category><![CDATA[公司新闻]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/769.html]]></comments>
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<title><![CDATA[无缝钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/713.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:45:13]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/713.html]]></comments>
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<title><![CDATA[无缝钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/712.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:45:03]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
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<link><![CDATA[http://www.lcdswz.com/art/711.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:44:53]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
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<title><![CDATA[无缝钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/710.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:44:44]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
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<title><![CDATA[无缝钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/709.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:44:33]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/709.html]]></comments>
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<title><![CDATA[无缝钢管]]></title>
<description><![CDATA[]]></description>
<link><![CDATA[http://www.lcdswz.com/art/708.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:44:22]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
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<title><![CDATA[无缝钢管]]></title>
<description><![CDATA[]]></description>
<link><![CDATA[http://www.lcdswz.com/art/707.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:44:13]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/707.html]]></comments>
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<title><![CDATA[无缝钢管]]></title>
<description><![CDATA[]]></description>
<link><![CDATA[http://www.lcdswz.com/art/706.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:44:03]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/706.html]]></comments>
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<title><![CDATA[无缝钢管]]></title>
<description><![CDATA[]]></description>
<link><![CDATA[http://www.lcdswz.com/art/705.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:42:06]]></pubDate>
<category><![CDATA[无缝钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/705.html]]></comments>
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<title><![CDATA[圆钢的分类及标准]]></title>
<description><![CDATA[圆钢分为热轧、锻制和冷拉三种。热轧圆钢的规格为5.5-250毫米。其中：5.5-25毫米的小圆钢大多以直条成捆的供应，常用作钢筋、螺栓及各种机械零件；大于25毫米的圆钢，主要用于制造机械零件、无缝钢管的管坯等。按钢的品质分类按钢的品质可分为普通碳素钢和优质碳素钢。（1）普通碳素结构钢又称普通碳素钢，对含碳量、性能范围以及磷、硫和其他残余元素含量的限制较宽。在和某些国家根据交货的保证条件又分为三类：]]></description>
<link><![CDATA[http://www.lcdswz.com/art/774.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:44:32]]></pubDate>
<category><![CDATA[行业新闻]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/774.html]]></comments>
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<title><![CDATA[合金圆钢的塑性加工]]></title>
<description><![CDATA[合金圆钢的塑性加工加工工艺一般分为冷热交替二种。铸钢件经热处理工艺后，会有气泡、疏松等缺点，使钢机构高密度。热处理工艺还可以毁坏铸态组织，细化晶粒。促使冷轧后钢物理性能好于铸态钢。冷扎钢的强度、强度随冷形状变化水平的提高而提高，可塑性和韧度则降低。持续铸钢件加工工艺广泛运用以提升出成率。现在大部分合金圆钢选用O2炼钢炉、风炉冶炼厂，高品质合金圆钢也采用了中频炉。合金圆钢按照其在炼钢过程里的脱氨度可]]></description>
<link><![CDATA[http://www.lcdswz.com/art/773.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:44:09]]></pubDate>
<category><![CDATA[行业新闻]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/773.html]]></comments>
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<title><![CDATA[低合金圆钢提升渗氢方式]]></title>
<description><![CDATA[低合金圆钢表面氧化皮的去除要用盐酸或硫酸，反映物质为可溶解水的盐和水，但当氧化皮除掉后再再次腐蚀时，酸会与低合金圆钢功效，这时除造成可溶解水的盐以外，还会继续进行析出氢，并伴随着酸的溫度和浓度值的提升 ，氢的进行析出也随着加重，通常稍不留意就很有可能因而而导致过浸蚀，并比较严重渗氢。在酸液中加上脱硫剂。脱硫剂可缓解酸对低合金圆钢的融解速率，而对氧化皮的融解并无多少影响，进而缓解了氢的进行析出，也降]]></description>
<link><![CDATA[http://www.lcdswz.com/art/772.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:38:11]]></pubDate>
<category><![CDATA[行业新闻]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/772.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
<description><![CDATA[]]></description>
<link><![CDATA[http://www.lcdswz.com/art/723.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:47:37]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/723.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/722.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:47:25]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/722.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/721.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:47:13]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/721.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/720.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:47:04]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/720.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/719.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:46:51]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/719.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/718.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:46:36]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/718.html]]></comments>
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<link><![CDATA[http://www.lcdswz.com/art/717.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:46:23]]></pubDate>
<category><![CDATA[合金钢管]]></category>
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<link><![CDATA[http://www.lcdswz.com/art/716.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:46:12]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/716.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/715.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:46:01]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/715.html]]></comments>
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<title><![CDATA[合金钢管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/714.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:45:22]]></pubDate>
<category><![CDATA[合金钢管]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/714.html]]></comments>
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<title><![CDATA[哪些材质才适合做精密无缝钢管呢？]]></title>
<description><![CDATA[凡是做钢材的话都是知道精密管的，精密管是钢管的一种精密度比较大的一种钢管类型，它的用途也是十分广泛的，尤其是精密管的各种的性能以及各种的用途都是比较重要的一种精密管的表现。精密管在进行使用的话要明确精密管的使用的性质和各个方面的用途，做到精密管的合理使用。精密管是钢管的一种特殊的情况，也是一种良好的钢材，可以说是精密管的材质也是比较特殊的，使用量和市场前景都是比较大的。    ]]></description>
<link><![CDATA[http://www.lcdswz.com/art/777.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:46:07]]></pubDate>
<category><![CDATA[产品知识]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/777.html]]></comments>
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<title><![CDATA[无缝钢管的存放条件]]></title>
<description><![CDATA[选择适宜的场地和库房 ：　　1)保管钢材的场地或仓库，应选择在清洁干净、排水通畅的地方，远离产生有害气体或粉尘的厂矿。在场地上要清除杂草及一切杂物，保持钢材干净 ;　　2)在仓库里不得与酸、碱、盐、水泥等对钢材有侵蚀性的材料堆放在一起。不同品种的钢材应分别堆放，防止混淆，防止接触腐蚀 ;　　3)大型型钢、钢轨、辱钢板、大口径钢管、锻件等可以露天堆放 ;　　4)中小型型钢、盘条、钢筋、中口径钢管、钢]]></description>
<link><![CDATA[http://www.lcdswz.com/art/776.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:45:40]]></pubDate>
<category><![CDATA[产品知识]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/776.html]]></comments>
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<title><![CDATA[圆钢知识大全]]></title>
<description><![CDATA[圆钢分类1.按化学成分分类碳素钢按化学成分(即以含碳量)可分为低碳钢、中碳钢和高碳钢。(1) 低碳钢又称软钢，含碳量从0.10%至0.30%低碳钢易于接受各种加工如锻造，焊接和切削，常用于制造链条，铆钉，螺栓，轴等。(2) 中碳钢碳量0.25%~0.60%的碳素钢。有镇静钢、半镇静钢、沸腾钢等多种产品。除碳外还可含有少量锰(0.70%~1.20%)。按产品质量分为普通碳素结构钢和优质碳素结构钢。热]]></description>
<link><![CDATA[http://www.lcdswz.com/art/775.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 10:45:04]]></pubDate>
<category><![CDATA[产品知识]]></category>
<comments><![CDATA[http://www.lcdswz.com/art/775.html]]></comments>
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<title><![CDATA[高压锅炉管]]></title>
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<link><![CDATA[http://www.lcdswz.com/art/732.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:50:29]]></pubDate>
<category><![CDATA[高压锅炉管]]></category>
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<link><![CDATA[http://www.lcdswz.com/art/731.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:50:14]]></pubDate>
<category><![CDATA[高压锅炉管]]></category>
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<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:50:05]]></pubDate>
<category><![CDATA[高压锅炉管]]></category>
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<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:49:54]]></pubDate>
<category><![CDATA[高压锅炉管]]></category>
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<description><![CDATA[]]></description>
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<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:49:45]]></pubDate>
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<link><![CDATA[http://www.lcdswz.com/art/727.html]]></link>
<author><![CDATA[佚名]]></author>
<pubDate><![CDATA[2024/7/10 8:49:36]]></pubDate>
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<title><![CDATA[高压锅炉管]]></title>
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