string(71669) "<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><script type="text/javascript" src="https://web-static.archive.org/_static/js/bundle-playback.js?v=1B2M2Y8A" charset="utf-8"></script><script type="text/javascript" src="https://web-static.archive.org/_static/js/wombat.js?v=1B2M2Y8A" charset="utf-8"></script><script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script><script type="text/javascript" src="https://web-static.archive.org/_static/js/ruffle/ruffle.js"></script><script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("http://hxft1.com/html/cpzx/ft/2016/0515/48.html","20230610140346","https://web.archive.org/","web","https://web-static.archive.org/_static/", "1686405826");</script><link rel="stylesheet" type="text/css" href="https://web-static.archive.org/_static/css/banner-styles.css?v=1B2M2Y8A"><link rel="stylesheet" type="text/css" href="https://web-static.archive.org/_static/css/iconochive.css?v=1B2M2Y8A"><!-- End Wayback Rewrite JS Include --><!-- Mimic Internet Explorer 7 --><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>美标封头-河北盐山宏鑫封头管件制造厂</title><meta name="Keywords" content="美标封头,封头"><meta name="Description" content="封头的设计制造检验有必要引起各行业的重视。封头的成形方法有冷成形有热成形,有冲压成形和旋压成形等。目前,国内封头主要成形方法是冲压成形。对碳钢和低合金钢而言,封头"><link href="/web/20230610140346cs_/http://hxft1.com/style/reset_css.css" rel="stylesheet"><link href="/web/20230610140346cs_/http://hxft1.com/style/all.css" rel="stylesheet"><!--[if IE]> <script src="/js/html5.js"></script> <![endif]--></head><body style="background-color:#efefef;"><header id="header"><div class="center"> <div id="logo"> <a href="/web/20230610140346/http://hxft1.com/"><img src="/web/20230610140346im_/http://hxft1.com/images/logo.png" alt="冲孔封头|开孔封头|加厚封头|厚壁封头|薄壁封头|对焊封头|封头-河北盐山宏鑫封头管件制造厂"></a> </div> <!-- logo结束 --> <div id="tel"> <strong>13731720882</strong> <p>24小时客户服务热线</p> </div> <!-- tel结束 --> <span class="clear"></span> <!-- 清除浮动 --> </div> </header><nav id="menu"><div class="center"> <ul><li><a href="/web/20230610140346/http://hxft1.com/">官网首页</a></li> <li id="topnav_2"><a href="/web/20230610140346/http://hxft1.com/html/cpzx/">产品中心</a></li> <li id="topnav_1"><a href="/web/20230610140346/http://hxft1.com/html/gsjj/">公司简介</a></li> <li id="topnav_3"><a href="/web/20230610140346/http://hxft1.com/html/xwzx/">新闻中心</a></li> <li id="topnav_4"><a href="/web/20230610140346/http://hxft1.com/html/jswz/">技术文章</a></li> <li id="topnav_5"><a href="/web/20230610140346/http://hxft1.com/html/shfw/">售后服务</a></li> <li id="topnav_29"><a href="/web/20230610140346/http://hxft1.com/html/cfsbzs/">厂房设备展示</a></li> <li id="topnav_6"><a href="/web/20230610140346/http://hxft1.com/html/zxly/">在线留言</a></li> <li id="topnav_7"><a href="/web/20230610140346/http://hxft1.com/html/lxwm/">联系我们</a></li></ul></div> <span class="clear"></span> </nav><!-- menu结束 --><script type="text/javascript"> document.getElementById('topnav_2').className='change'; </script><script>var _hmt = _hmt || [];(function() { var hm = document.createElement("script"); hm.src = "//web.archive.org/web/20230610140346/http://hm.baidu.com/hm.js?f81142aab56c23429ceb3f13a46d4f3d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s);})();</script><div id="nr"> <div id="left"> <div class="cpml"> <h3> 产品目录 </h3> <ul class="zj"><li> <a href="/web/20230610140346/http://hxft1.com/html/cpzx/ft/"> 封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/ckft/"> 冲孔封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/cpzx/kkft/"> 开孔封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/cpzx/jhft/"> 加厚封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/hbft/"> 厚壁封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/bbft/"> 薄壁封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/cpzx/dhft/"> 对焊封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/dxft/"> 大型封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/tyft/"> 椭圆封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/pdft/"> 平底封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/xyft/"> 旋压封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/gbft/"> 国标封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/glft/"> 锅炉封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/ylrqft/"> 压力容器封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/fbft/"> 非标封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/dxft/"> 蝶形封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/qbft/"> 汽包封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/dkjft/"> 大口径封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/gxgft/"> 管线钢封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/bxgft/"> 不锈钢封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/ztft/"> 锥体封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/xft/"> 小封头 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/yg/"> 压盖 </a> </li> <li> <a href="/web/20230610140346/http://hxft1.com/html/cpzx/gm/"> 管帽 </a> </li> </ul><div class="fd"></div> </div> <div class="lxwm"> <h3> 联系方式 </h3> <div class="zj2"> <h4> 河北盐山宏鑫封头管件制造厂 </h4> <li> 公司地址:河北盐山城南开发区</li> <li> 公司电话:0317-6368867 </li> <li> 手机:13731720882 张经理 </li> <li> 公司传真:0317-6819602 </li> <li> <a target="blank" href="https://web.archive.org/web/20230610140346/tencent://message/?uin=1390899808&amp;Site=%E5%90%8D%E7%A7%B0&amp;Menu=yes"><img border="0" src="https://web.archive.org/web/20230610140346im_/http://wpa.qq.com/pa?p=1:1390899808:6"></a> <a target="blank" href="https://web.archive.org/web/20230610140346/tencent://message/?uin=448288255&amp;Site=%E5%90%8D%E7%A7%B0&amp;Menu=yes"><img border="0" src="https://web.archive.org/web/20230610140346im_/http://wpa.qq.com/pa?p=1:448288255:6"></a> </li> <li> 公司网址:http://hxft1.com</li> <li>邮箱:1390899808@qq.com </li> </div> <div class="fd"></div> </div> </div><style>.content a{ font-size:14px}</style><article id="neirong"><h2 class="lm_title">封头 </h2> <div id="weizi"> <a href="https://web.archive.org/web/20230610140346/http://hxft1.com/">主页</a> &gt; <a href="/web/20230610140346/http://hxft1.com/html/cpzx/">产品中心</a> &gt; <a href="/web/20230610140346/http://hxft1.com/html/cpzx/ft/">封头</a> &gt; </div> <!-- weizi结束 --> <div id="DocContent"> <h1 class="doc_title">美标封头 </h1> <div class="content"> <!-- 文章内容开始 --> <div> <a href="https://web.archive.org/web/20230610140346/http://hxft1.com/"><span style="color:#ff0000;"><strong>美标封头</strong></span></a>的设计制造检验有必要引起各行业的重视。联系方式【13731720882】封头的成形方法有冷成形有热成形,有冲压成形和旋压成形等。,<a href="https://web.archive.org/web/20230610140346/http://hxft1.com/">在成形后残留下相互平衡的内应力;分块分瓣落料制造的封头,需要把各块板料焊接成形,焊接引起了焊缝区组织和性能的变化目前,国内封头主要成形方法是冲压成形。对碳钢和低合金钢而言,封头的冲压成形大部分为热成形。为了避免加热时钢板变形太大和氧化损失,热冲压时边缘易丧失稳定,封头成形有时候采用冷成形。由于钢板的尺寸规格限制,封头的毛坯可以是整板落料制造,也可以是分块落料再拼焊制造;有可能是整体成形,也有可能是分瓣冲压成形后再组焊的。整板落料制造的封头,会产生不均匀的塑性变形,过量的冷卷、冷矫形等加丁所引起的冷作硬化,产生焊接残余应力。无论是整板还是分瓣成形的封头.制造过程中都会产生残余应力,使封头各部分母材及焊缝金属的力学性能产生不同程度的下降,影响压力容器的使用性能。而残余应力的不利影响,是在一定的条件下才能表现出来,当残余应力与焊缝中的残存氢结合时.将促使热影响区硬化,导致冷裂纹以及延迟裂纹的产生,</a>化T厂设备出现裂纹的事故。一般都与此有关。残存自爱焊件中的静应力或负载运行中的动载应力与介质的腐蚀作用结合时,将有可能引起裂纹状腐蚀,即所谓应力腐蚀。焊接残余应力及由焊接引起的母材淬硬是产生应力腐蚀裂纹的蕈要因素。研究结果表明,变形和残余应力对金属材料的主要影响,在于使金属从均匀腐蚀转变为局部腐蚀,即转变为晶间或者穿晶腐蚀。当然,金属的腐蚀破裂和晶间腐蚀均出现在对这种金属具有一定特性的介质中。残余应力存在的条件下,根据侵蚀介质个成分、浓度和温度的不同,以及母材的焊接区的成分、组织、表面状态、应力状态等存在的差异有所不同,从而使腐蚀破坏的性质可能改变。</div><div>   美标封头材质:20#  Q235  Q235B  A105 </div><div>   美标封头材质:304 304L 316 316L 321 2520 310、317、等材质.</div><div>   美标封头通径:DN15-DN1200</div><div>   美标封头壁厚:SCH5-SCH160</div><div>   美标封头标准:ASME DIN JIS BS GB/T JB SH HG ,具体如下:GB/T12459-2005,GB/T13401-2005,ASME B16.9,SH3408,</div><div>   SH3409,HG/T21635,DL/T695,SY/T0510, DIN2617</div><div>   封头用途:水、饮料、啤酒、食品、石油化工、核电、机械、医疗设备、化肥、造船、防水处理、管道等。</div><div> <br>  </div><a href="https://web.archive.org/web/20230610140346/http://hxft9.com/" title="点击更多精彩"><span style="font-family: Arial, Helvetica, sans-serif; line-height: 21.59375px;"><img alt="美标封头" src="/web/20230610140346im_/http://hxft1.com/uploads/allimg/160515/1-160515155P10-L.jpg" style="width: 400px; height: 286px;"></span></a><br><!-- 文章内容结束 --></div> </div> <!-- DocContent结束 --> <div id="PrevNext"> <p>上一篇:<a href="/web/20230610140346/http://hxft1.com/html/cpzx/ft/2016/0515/47.html">平盖封头</a> </p> <p>下一篇:<a href="/web/20230610140346/http://hxft1.com/html/cpzx/ft/2016/0515/49.html">容器封头</a> </p> </div></article></div><span class="clear"></span><div style="height:20px"> </div><span class="claer"> </span> <footer id="footer"><ul class="bomnav"><li><a href="/web/20230610140346/http://hxft1.com/">官网首页</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/cpzx/">产品中心</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/gsjj/">公司简介</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/xwzx/">新闻中心</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/jswz/">技术文章</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/shfw/">售后服务</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/cfsbzs/">厂房设备展示</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/zxly/">在线留言</a></li> <li><a href="/web/20230610140346/http://hxft1.com/html/lxwm/">联系我们</a></li> </ul><span class="clear"></span> <div class="center"> <div class="box"> <p> Copyright ©2016 河北盐山宏鑫封头管件制造厂 版权所有 <script type="text/javascript">var cnzz_protocol = (("https:" == document.location.protocol) ? " https://" : " http://");document.write(unescape("%3Cspan id=cnzz_stat_icon_1259323408%3E%3C/span%3E%3Cscript src=" + cnzz_protocol + "s11.cnzz.com/z_stat.php%3Fid%3D1259323408%26online%3D2 type=text/javascript%3E%3C/script%3E"));</script> 冀ICP备16011637号-1</p> <p>电话:0317-6368867      13731720882 传真:0317-6819602 </p> <p>地址:河北盐山城南开发区 <a href="/web/20230610140346/http://hxft1.com/sitemap.xml">网站地图</a></p> <a href="/web/20230610140346/http://hxft1.com/sitemap.html">百度地图</a> </div> <div class="tels"> <strong>13731720882 张经理</strong> <p>24小时客户服务热线</p> </div> <!-- tel结束 --> </div> </footer><script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":"0","bdSize":"16"},"slide":{"type":"slide","bdImg":"2","bdPos":"left","bdTop":"250"},"image":{"viewList":["qzone","tsina","tqq","renren","weixin"],"viewText":"分享到:","viewSize":"16"},"selectShare":{"bdContainerClass":null,"bdSelectMiniList":["qzone","tsina","tqq","renren","weixin"]}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='https://web.archive.org/web/20230610140346/http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];</script><script type="text/javascript" src="/web/20230610140346js_/http://hxft1.com/kefu/"></script></body></html><!-- FILE ARCHIVED ON 14:03:46 Jun 10, 2023 AND RETRIEVED FROM THE INTERNET ARCHIVE ON 05:54:18 May 26, 2025. JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE. ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C. SECTION 108(a)(3)).--><!--playback timings (ms): captures_list: 1.095 exclusion.robots: 0.045 exclusion.robots.policy: 0.026 esindex: 0.045 cdx.remote: 50.044 LoadShardBlock: 206.713 (3) PetaboxLoader3.datanode: 82.7 (4) PetaboxLoader3.resolve: 84.694 (2) load_resource: 111.833-->"