ï»?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 钢结构厂房材料要æ±?- 贵州天é¿`钢结构有限公å?/title> <meta name="Keywords" content=""> <link rel="stylesheet" type="text/css" href="/template/gzthgg/Css/Index.css" /> <script language="javascript" src="/template/gzthgg/js/jquery.js"></script> <script language="javascript" src="js/jquery.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <a href="http://m.cqtangshi.com/">国产精品爆乳尤物99精品|视频二区国产精品第二页|无码人妻一区二区免费手机视频|av色综合久久天堂av色综合在</a> <div style="position:fixed;left:-9000px;top:-9000px;"><font id="d1huy"></font><xmp id="d1huy"></xmp><del id="d1huy"><bdo id="d1huy"></bdo></del><form id="d1huy"></form><noscript id="d1huy"></noscript><tbody id="d1huy"><p id="d1huy"><delect id="d1huy"></delect></p></tbody><input id="d1huy"><nobr id="d1huy"><em id="d1huy"><object 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href="/news/hyxw/">行业新闻</a> > 详细内容</div> <div class="infonn"> <hr /> <h1 style="text-align: center;margin-bottom: 20px;">钢结构厂房材料要æ±?/h1> <div class="proshow" style="font-size: 16px; line-height: normal;"> <p> 1.强度 </p> <p> 设计åŸÞZºŽé’¢çš„屈服强度。高强度可减è½È»“构重量,节约钢材åQŒä¸‹é™æˆæœ¬ã€‚抗拉强度是钢在被破坏之前所能承受的强度。由于塑性变形,¾l“构失去用途,¾l“构形成较大åQŒæ²¡æœ‰åå¡Œï¼Œæ»¡èƒö了结构承受罕见地震的要求ã€?</p> <p> 2.塑æ€?</p> <p> 钢的塑性通常是指应力­‘…过有效点后出现显著的塑性变形和˜qžç®‹å¼€è£‚çš„ç‰ÒŽ€§ã€‚衡量钢材塑性变形能力的指标是äŽ×长率和截面收¾~©çŽ‡ã€?</p> <p> 3.冷弯性能 </p> <p> 钢的冷弯性能是衡量钢在室温下弯曲˜q‡ç¨‹ä¸­å‘生塑性变形时的抗裂性。钢的冷弯性能是通过冷弯试验‹¹‹è¯•é’¢åœ¨è§„定弯曲度下的弯曲变形性能ã€?</p> <p> 4.抗冲å‡ÀL€?</p> <p> 钢的冲击韧性是指其在冲击蝲荷下吸收机械动能的能力。是一¿Uæœºæ¢°æ€§èƒ½åQŒç”±ä½Žæ¸©å’Œåº”力集中导致的脆性断裂引赗÷€‚钢的冲击韧性指数通常通过标准试样的冲击试验获得ã€?</p> <p> 5.焊接性能 </p> <p> 钢的可焊性是指在焊接工艺条äšg下获得的性能良好的焊¾~ã€‚焊接性能为分焊接性能和ä‹É用性能。焊接过½E‹ä¸­çš„焊接性能是指焊缝附近的金属不会äñ”生热裂纹或冷åß_¼Œè‰¯å¥½çš„焊接性能意味着焊接金属和附˜q‘的母材在一定的焊接工艺条äšg下不会开裂ã€?</p> <p> 6.可持¾l­æ€?</p> <p> 钢材的耐腐蚀性差åQŒé¡»é‡‡å–保护措施防止钢材腐蚀和生锈。其‹Æ¡ï¼Œé’¢åœ¨é«˜æ¸©å’Œé•¿æœŸè²è·ä¸‹çš„破坏强度低于短期强度,‹¹‹é‡é’¢åœ¨é•¿æœŸé«˜æ¸©ä¸‹çš„耐久强度。钢随时间自动硬化。变得脆弱。也ž®±æ˜¯è¯ß_¼ŒåŠæ—¶æ€§ã€‚在低温载荷下测试钢的抗冲击性能ã€?</p> <p> 在钢材上åQŒäؓ了提高材料的使用和训¾lƒé€Ÿåº¦åQŒé›¶ä»¶æ€ÀL˜¯é è¿‘钢板边缘åQŒä»¥ç•™å‡ºä¸€å®šçš„机器余量ã€?</p> <p><div>上一æ?<a href="282.html">钢结构主体结构有哪些åQ?/a></div> <div>下一æ?<a href="280.html">钢结构厂房屋面设计时的几大要ç‚?/a></div> </p> </div> </div> <hr /> <hr /> </div> </div> </div> </div> <div id="footer"> <div class="foot"> <a href="/" rel="nofollow" >首页</a> | <a href="/about/" rel="nofollow" >企业介绍</a> | <a href="/news/" rel="nofollow" >贵阳H型钢加工生äñ”新闻资讯</a> | <a href="/supply/" rel="nofollow" >贵州钢结构公åæ€ñ”品介¾l?/a> | <a href="/contact/" rel="nofollow" >厂家联系方式</a> | <a href="/4g/" target="_blank">手机¾|‘ç«™</a> | </br> <div class="cnzz"><script type="text/javascript">var cnzz_protocol = (("https:" == document.location.protocol) ? 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