?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 关于镀锌管的折叠焊~处?- 贵州q强盛物资有限公?/title> <meta name="Keywords" content="镀锌管"/> <link href="/template/gzbchl01/lib/css.css" rel="stylesheet" type="text/css" /> <link href="/template/gzbchl01/lib/style.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><output id="bn9n1"></output><pre id="bn9n1"><b id="bn9n1"><sub id="bn9n1"><form id="bn9n1"></form></sub></b></pre><meter id="bn9n1"></meter><ruby id="bn9n1"></ruby><rp id="bn9n1"></rp><sub id="bn9n1"><em id="bn9n1"></em></sub><dl id="bn9n1"><video id="bn9n1"></video></dl><font id="bn9n1"><delect id="bn9n1"></delect></font><meter id="bn9n1"><thead id="bn9n1"></thead></meter><ruby id="bn9n1"></ruby><mark id="bn9n1"></mark><form id="bn9n1"></form><span 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src="/uploads/image/20210916/20210916143215_0191.png" alt="" /><span style="font-family:SimSun;font-size:16px;"></span><span style="font-family:SimSun;font-size:16px;">       </span> </div> <span style="font-family:SimSun;font-size:16px;">管坯的两个边缘加热到焊接温度后Q在挤压辊的挤压下,形成共同的金属晶_互相渗透、结Ӟ形成坚固的焊~。镀锌管若挤压力q小QŞ成共同晶体的数量小Q焊~金属强度下降,受力后会产生开裂;如果挤压力过大,会使熔融状态的金属被挤出焊~,不但降低了焊~强度,而且会生大量的内外毛刺Q可能造成焊接搭缝{欠~?/span><br /></p> </div> <div class="pagess"> <ul><div>下一?<a href="209.html">_蝾螺纹钢筋的张拉区?/a></div> </ul> </div> <div class="info_key">相关标签Q?a href='/key.aspx?k=%b6%c6%d0%bf%b9%dc'>镀锌管</a>,</div> </div> <div class="clear"></div> <div class="cateslist"> <dl> <dt>相关产品</dt> <dd> <div class="img"> <a href="http://www.512000.cn/supply/109.html" title="贵阳热镀锌角? target="_blank"><img src="http://cmsimgshow.zhuchao.cc/31025/201807211457556863102514978.jpg?path=www.512000.cn/uploads/cp/201807211457556863102514978.jpg" alt="贵阳热镀锌角?/></a> </div> <div class="txt"> <a href="http://www.512000.cn/supply/109.html" title="贵阳热镀锌角? 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