20mng管_20mng管今日价格、行情走势、最新报价

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>20mng管_20mng管今日价格、行情走势、最新报价</title> <meta name="keyword" content="20mng管价格，20mng管走势图，20mng管报价，20mng管行情"/> <meta name="Description" content="20mng管今日价格、最新报价、行情走势来自于我的钢铁网门户网站,为您提供20mng管产业资讯信息,包含最新的20mng管今日价格、20mng管行情走势、20mng管最新报价、行业分析等信息,为国内钢铁企业,钢材企业提供最新的20mng管汇总资讯。"/> <meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no"/> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <meta name="applicable-device" content="mobile"> <meta property="og:image" content="//a.mysteelcdn.com/wap/ydz/v2/images/share_logo.png"/> <link rel="canonical" href="https://m.mysteel.com/hot/91380.html"/> <script defer src="//a.mysteelcdn.com/libs/rem_max750.js"></script> <script src="//a.mysteelcdn.com/libs/jquery.min.js"></script> <script 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href="https://m.mysteel.com/dh/hsjs/1.html">黑色金属</a></li> <li><a href="https://m.mysteel.com/dh/ysjs/1.html">有色金属</a></li> <li><a href="https://m.mysteel.com/dh/nyhg/1.html">能源化工</a></li> <li><a href="https://m.mysteel.com/dh/jzcl/1.html">建筑材料</a></li> <li><a href="https://m.mysteel.com/dh/ncp/1.html">农产品</a></li> <li><a href="https://m.mysteel.com/dh/xny/1.html">新能源</a></li> <li><a href="https://m.mysteel.com/dh/qt/1.html">其他</a></li> </ul> </div> <b class="crumbs-icon">></b> <a href="https://m.mysteel.com/market/p-967-----010109-0--------1.html" external="" class="crumbs-text">钢管</a> <b class="crumbs-icon">></b> <span class="crumbs-text">20mng管</span> </div>  <div id="0" class="scroll-box clearfix show" >  <div class="data0 scroll-data swiper-container"> <div class="swiper-wrapper"> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">普钢</h3> <div class="data-item-value red" >3562.73</div> <div class="data-item-count"> <span class="count-value red">6.43</span> <span class="count-rate red">0.18%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">特钢</h3> <div class="data-item-value green" >9400.98</div> <div class="data-item-count"> <span class="count-value green">-1.65</span> <span class="count-rate green">-0.02%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">螺纹钢</h3> <div class="data-item-value red" >3389.97</div> <div class="data-item-count"> <span class="count-value red">15.88</span> <span class="count-rate red">0.47%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">热轧板卷</h3> <div class="data-item-value green" >3399.24</div> <div class="data-item-count"> <span class="count-value green">-4.01</span> <span class="count-rate green">-0.12%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">冷轧板卷</h3> <div class="data-item-value green" >4084.23</div> <div class="data-item-count"> <span class="count-value green">-5.89</span> <span class="count-rate green">-0.14%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">中厚板</h3> <div class="data-item-value red" >3514.28</div> <div class="data-item-count"> <span class="count-value red">6.36</span> <span class="count-rate red">0.18%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">工字钢</h3> <div class="data-item-value" >3430</div> <div class="data-item-count"> <span class="count-value">0.00</span> <span class="count-rate">0.00%</span> </div> </a> </div> </div> </div> <div class="data1 scroll-data swiper-container"> <div class="swiper-wrapper"> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">H型钢</h3> <div class="data-item-value" >3529</div> <div class="data-item-count"> <span class="count-value">0.00</span> <span class="count-rate">0.00%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">焦炭</h3> <div class="data-item-value" >1296.8</div> <div class="data-item-count"> <span class="count-value">0.00</span> <span class="count-rate">0.00%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">炼焦煤</h3> <div class="data-item-value red" >1066.2</div> <div class="data-item-count"> <span class="count-value red">0.20</span> <span class="count-rate red">0.02%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">动力煤</h3> <div class="data-item-value" >1106.5</div> <div class="data-item-count"> <span class="count-value">0.00</span> <span class="count-rate">0.00%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">冶金焦</h3> <div class="data-item-value" >1260</div> <div class="data-item-count"> <span class="count-value">0.00</span> <span class="count-rate">0.00%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">兰炭</h3> <div class="data-item-value green" >675</div> <div class="data-item-count"> <span class="count-value green">-35.00</span> <span class="count-rate green">-4.93%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">硅锰</h3> <div class="data-item-value" >5938.04</div> <div class="data-item-count"> <span class="count-value">0.00</span> <span class="count-rate">0.00%</span> </div> </a> </div> </div> </div> <div class="data2 scroll-data swiper-container"> <div class="swiper-wrapper"> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">废钢</h3> <div class="data-item-value red" >2493.48</div> <div class="data-item-count"> <span class="count-value red">4.86</span> <span class="count-rate red">0.20%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">铸造生铁</h3> <div class="data-item-value" >2931.22</div> <div class="data-item-count"> <span class="count-value">0.00</span> <span class="count-rate">0.00%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">钢坯</h3> <div class="data-item-value red" >92.32</div> <div class="data-item-count"> <span class="count-value red">0.19</span> <span class="count-rate red">0.21%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">不锈钢</h3> <div class="data-item-value red" >14051.42</div> <div class="data-item-count"> <span class="count-value red">27.15</span> <span class="count-rate red">0.19%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">铁矿石</h3> <div class="data-item-value red" >806.82</div> <div class="data-item-count"> <span class="count-value red">5.05</span> <span class="count-rate red">0.63%</span> </div> </a> </div> <div class="data-content swiper-slide"> <a class="data-item" link="https://m.mysteel.com/xpic/"> <h3 class="data-item-title">铁精粉</h3> <div class="data-item-value red" >930.37</div> <div class="data-item-count"> <span class="count-value red">2.89</span> <span class="count-rate red">0.31%</span> </div> </a> </div> </div> </div> </div>  <div class="content-title market-tit"> <h1 class="tit-text"> <span class="blue">20mng管</span> </h1>  <div class="search-sort" kw="20mng管"> <p> <span></span> <i class="arrow-down"></i> </p> </div> </div>  <div class="search-date"> <span id="startTimeAll"></span> <b>—</b> <span id="endTimeAll"></span> <i class="clear-date">重置</i> <a link="https://m.mysteel.com/so.html" class="confirm-date">确认</a> </div> <h4 class="news-menu-btn"> </h4>  <div class="news-item show">   <div class="list-block market-box"> <ul class="h-price-list market-list"> </ul> </div> <a href="javascript:void(0);" class="btn-more" id="btn-market"> <span>点击加载更多</span> </a> </div>    <h2 class="content-title price-tit"> 相关推荐 </h2> <div class="today-price"> <ul class="tab today-tab"> <li class="today-tab-head"> <span class="t1">品种</span> <span class="t2">市场</span> <span class="t3">价格</span> <span class="t4">涨跌</span> <span class="t5">日期</span> <span class="t6 blue">走势</span> </li> </ul> <div class="today-tab-div" id="today-tab"> <ul class="tab today-tab tab-list"> <li code="ST_0000113179"> <span class="t1">螺纹钢</span> <span class="t2">上海</span> <div class="t3"> <span class="zs-raise red">3280</span> </div> <div class="t4"> <span class="zs-raise red">20</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0000159838"> <span class="t1">螺纹钢</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise red">3450</span> </div> <div class="t4"> <span class="zs-raise red">10</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0001258118"> <span class="t1">螺纹钢</span> <span class="t2">北京</span> <div class="t3"> <span class="zs-raise red">3280</span> </div> <div class="t4"> <span class="zs-raise red">10</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0000043837"> <span class="t1">高线</span> <span class="t2">上海</span> <div class="t3"> <span class="zs-raise red">3480</span> </div> <div class="t4"> <span class="zs-raise red">20</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0000127431"> <span class="t1">高线</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise red">3740</span> </div> <div class="t4"> <span class="zs-raise red">20</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0003989934"> <span class="t1">高线</span> <span class="t2">北京</span> <div class="t3"> <span class="zs-raise">3570</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0000072875"> <span class="t1">中厚板</span> <span class="t2">上海</span> <div class="t3"> <span class="zs-raise">3460</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0001443664"> <span class="t1">中厚板</span> <span class="t2">武安</span> <div class="t3"> <span class="zs-raise red">3430</span> </div> <div class="t4"> <span class="zs-raise red">10</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0000060552"> <span class="t1">中厚板</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise">3740</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0000096691"> <span class="t1">H型钢</span> <span class="t2">上海</span> <div class="t3"> <span class="zs-raise green">3470</span> </div> <div class="t4"> <span class="zs-raise green">-20</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0000096621"> <span class="t1">H型钢</span> <span class="t2">唐山</span> <div class="t3"> <span class="zs-raise red">3390</span> </div> <div class="t4"> <span class="zs-raise red">20</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0000096938"> <span class="t1">H型钢</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise">3500</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0002628337"> <span class="t1">角钢</span> <span class="t2">河北</span> <div class="t3"> <span class="zs-raise">3470</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0004274974"> <span class="t1">角钢</span> <span class="t2">济南</span> <div class="t3"> <span class="zs-raise">3620</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0000097939"> <span class="t1">角钢</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise">3890</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">06-11</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0004190936"> <span class="t1">工字钢</span> <span class="t2">河北</span> <div class="t3"> <span class="zs-raise red">3540</span> </div> <div class="t4"> <span class="zs-raise red">20</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0000043753"> <span class="t1">工字钢</span> <span class="t2">济南</span> <div class="t3"> <span class="zs-raise">3820</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0000097325"> <span class="t1">工字钢</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise red">3840</span> </div> <div class="t4"> <span class="zs-raise red">10</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0001202936"> <span class="t1">焊管</span> <span class="t2">上海</span> <div class="t3"> <span class="zs-raise">3950</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">07-12</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0000075762"> <span class="t1">焊管</span> <span class="t2">天津</span> <div class="t3"> <span class="zs-raise red">3500</span> </div> <div class="t4"> <span class="zs-raise red">20</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0001222856"> <span class="t1">焊管</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise">3810</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0001158596"> <span class="t1">镀锌管</span> <span class="t2">天津</span> <div class="t3"> <span class="zs-raise red">4290</span> </div> <div class="t4"> <span class="zs-raise red">10</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li code="ST_0001254529"> <span class="t1">镀锌管</span> <span class="t2">上海</span> <div class="t3"> <span class="zs-raise">4400</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> <li class="trbg" code="ST_0001339151"> <span class="t1">镀锌管</span> <span class="t2">广州</span> <div class="t3"> <span class="zs-raise">4750</span> </div> <div class="t4"> <span class="zs-raise">0</span> </div> <span class="t5">03-25</span> <span class="t6 blue">查看</span> </li> </ul> </div> </div>  <h2 class="content-title article-tit"> <span class="blue">20mng管</span>相关资讯 </h2> <div class="list-block article-box"> <ul class="h-price-list article-list"> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0725/09/A83FA8E22A6E3822_abc.html">13crmo44钢管？40cr冷轧钢管？5310高压无缝钢管？</a> <p class="article-content">制造方法与无缝管相同，但对制造钢管所用的钢种有严格的要求 5310高压管：主要用来制造高压及其以上压力的蒸汽锅炉管道等用的优质碳素结构钢、合金结构钢和不锈耐热钢无缝钢管、这些锅炉管经党处于高温和高压下工作、管子在高温烟气和水蒸汽的作用下还会发生氧化和腐蚀，因此要求钢管有高的持久强度、高的抗氧化性能，并具有良好的组织稳定性，采用钢号有：优质碳素结构钢钢号有20g、<em class='keyword'>20mng</em>、25mng；合金结构钢钢号15mog、20mog、12crmog、15crmog、12cr2mog、12crmovg、12cr3movsitib等；有锈耐热钢常用1cr18ni9、1cr18ni11nb高压锅炉管除保证化学成分和机械性能外，要逐根做水压试验，要作扩口、压扁试验。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0713/08/5EAE89D75AA61BB9_abc.html">42crmo 无缝钢管？无缝钢管晶间腐蚀？gb5310锅炉无缝钢管？</a> <p class="article-content">采用钢号有：优质碳素结构钢钢号有20g、<em 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</p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0705/14/53F1FA45E350D0BC_abc.html">api5l美标无缝钢管？gbt3087无缝钢管？cr5mo无缝钢管？</a> <p class="article-content">主要用10、20号钢制造，除保证化学成分和机械性能外要做水压试验，卷边、扩口、压扁等试验热轧以热轧状态交货、冷轧（拨）以热处理状态交货高压锅炉钢管：主要用来制造高压及其以上压力的蒸汽锅炉管道等用的优质碳素结构钢、合金结构钢和不锈耐热钢无缝钢管、这些锅炉管经常处于高温和高压下工作、管子在高温烟气和水蒸汽的作用下还会发生氧化和腐蚀，因此要求钢管有高的持久强度、高的抗氧化性能，并具有良好的组织稳定性，采用钢号有：优质碳素结构钢钢号有20G、20MnG、25MnG；合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等；有锈耐热钢常用1Cr18Ni9、1Cr18Ni11Nb高压锅炉管除保证化学成分和机械性能外，要逐根做水压试验，要作扩口、压扁试验。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0622/09/BBEEBCBD2E01AAEB_abc.html">45号钢管?螺旋输送钢管?a335p11钢管?</a> <p class="article-content">热轧以热轧状态交货、冷轧（拨）以热处理状态交货高压锅炉钢管：主要用来制造高压及其以上压力的蒸汽锅炉管道等用的优质碳素结构钢、合金结构钢和不锈耐热钢无缝钢管、这些锅炉管经常处于高温和高压下工作、管子在高温烟气和水蒸汽的作用下还会发生氧化和腐蚀，因此要求钢管有高的持久强度、高的抗氧化性能，并具有良好的组织稳定性，采用钢号有：优质碳素结构钢钢号有20G、20MnG、25MnG；合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等；有锈耐热钢常用1Cr18Ni9、1Cr18Ni11Nb高压锅炉管除保证化学成分和机械性能外，要逐根做水压试验，要作扩口、压扁试验。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0613/09/BD51CFFE6DF222B1_abc.html">热镀锌sc管？2cr25n无缝管？6479标准钢管？</a> <p class="article-content">5.锅炉管采用钢号 (1)优质碳素结构钢钢号有20G、20MnG、25MnG (2)合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0608/17/53C644F74CE9B515_abc.html">环氧沥青防腐钢管？5310锅炉无缝管？1cr18ni9ti管材？</a> <p class="article-content">5310锅炉无缝管？ 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item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0527/10/585BD651991D7E94_abc.html">159无缝钢管壁厚？不绣钢管？6479化肥钢管？</a> <p class="article-content">5.锅炉管采用钢号 (1)优质碳素结构钢钢号有20G、20MnG、25MnG (2)合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0525/10/AF68B2B4A3A24173_abc.html">3PE直缝防腐钢管？波纹金属钢管？5310标准钢管？</a> <p class="article-content">波纹金属软管具有了良好的柔软性、抗疲劳性、耐高温、耐高低温、耐腐蚀性等诸多特性，他相对其它软管（橡胶、塑料软管）的寿命就要高出许多，故它又具有较高的综合经济效益，随着现代工业的发展，对耐高温、耐高压的波纹金属软管的需求量亦愈来愈大 5310标准钢管？ 5310钢管主要用来制造高压及其以上压力的蒸汽锅炉管道等用的优质碳素结构，钢管材质是20G,20MnG,25MnG,16Mn等。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0527/09/96249E157D472742_abc.html">无缝钢管基本知识?钢管16mndr?波纹金属钢管?</a> <p 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href="https://m.100njz.com/22/0510/10/6D98287FCEBFE3C2_abc.html">gb/t9948-2013无缝钢管？钢塑钢管？普通级3pe防腐钢管？</a> <p class="article-content">gb/t9948-2013无缝钢管？ GB9948-2013是石油裂化用无缝钢管，主要用来制造高压及其以上压力的蒸汽锅炉管道等用的优质碳素结构钢、合金结构钢和不锈耐热钢高压无缝管、这些锅炉管经高温和高压下工作、管子在高温烟气和水蒸汽的作用下还会发生氧化和腐蚀，因此要求钢管有高的持久强度、高的抗氧化性能，并具有良好的组织稳定性，采用钢号（材质）有：优质碳素结构钢钢号有20G、20MnG、25MnG；合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等；有锈耐热钢常用1Cr18Ni9、1Cr18Ni11Nb高压锅炉管除保证化学成分和机械性能外，要逐根做水压试验，要作扩口、压扁试验，高压无缝管以热处理状态交货。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0428/11/196285231A3FCAB9_abc.html">锥形钢管？20G钢管？5310无缝钢管？</a> <p class="article-content">采用钢号有：优质碳素结构钢钢号有20g、<em class='keyword'>20mng</em>、25mng；合金结构钢钢号15mog、20mog、12crmog、15crmog、12cr2mog、12crmovg、12cr3movsitib等。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.100njz.com/22/0427/10/15C842F85F8E2A2F_abc.html">Q345C无缝钢管？GB9948无缝钢管？35crmo无缝钢管？</a> <p class="article-content">GB9948无缝钢管？ GB9948无缝钢管主要用来制造高压及其以上压力的蒸汽锅炉管道等用的优质碳素结构钢、合金结构钢和不锈耐热钢高压无缝刚管、这些锅炉管经高温和高压下工作、管子在高温烟气和水蒸汽的作用下还会发生氧化和腐蚀，因此要求钢管有高的持久强度、高的抗氧化性能，并具有良好的组织稳定性，采用钢号有：优质碳素结构钢钢号有20G、20MnG、25MnG；合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等；有锈耐热钢常用1Cr18Ni9、1Cr18Ni11Nb高压锅炉管除保证化学成分和机械性能外，要逐根做水压试验，要作扩口、压扁试验，高压无缝管以热处理状态交货。</p> <p> <span>名人名言</span> </p> </li> <li class="item item-article"> <a class="list-item" target="_blank" href="https://m.mybxg.com/09/0203/15/D229405BC02B4926_abc.html">钢管知识</a> <p 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