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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="78fro3d" class="twoCol"><div id="2ndkg2x" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_jgjljjlg/">緊固件、連接件</a>?<a href="http://www.cdcfah.com/cp/third-jgjljjlg_luoshuanyx/">螺栓</a>?江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全鑄造輝煌栢爾斯道弗供應(yīng)</p><div id="vpw2bh9" class="leftbox clearfix"><h1>江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全鑄造輝煌栢爾斯道弗供應(yīng)</h1><div id="d2b2xj4" class="proBig"><div id="8cu9ypj" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/besdfj/2019/6/636961156955542999/6369611569555429995194276.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qfhqc8r" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/besdfj/2019/6/636961156955542999/6369611569555429995194276.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u38ofmv" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全</p><p><span>***更新：</span>2020-06-03 07:02:02</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wjfzlxw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">栢爾斯道弗緊固件貿(mào)易（上海）有限公司</a></p><p><span>聯(lián)系人：</span>張經(jīng)理</p><p><span>郵箱: </span>rex.zhang@bsf-sh.com</p><p><span>電話(huà): </span>13701876749</p><p><span>傳真: </span>021_38022885</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-38022886</p><p><span>地址: </span>宣橋鎮(zhèn)宣夏路518號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="g7ztqxu" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="g3ahifg" class="box"><p><p style="text-indent:25px">A4-80螺栓含義簡(jiǎn)解? “A4-80”是不銹鋼緊固件產(chǎn)品中常見(jiàn)的一種標(biāo)識(shí)，下面就為大家詳細(xì)介紹一下這個(gè)標(biāo)識(shí)**的含義。? 1.?什么是“A4”，A4這個(gè)稱(chēng)謂從何而來(lái)？? 不銹鋼按照金相**特性來(lái)分，分為奧氏體不銹鋼、馬氏體?不銹鋼、鐵素體不銹鋼三個(gè)常規(guī)大類(lèi)，江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全。? 奧氏體的英文表述為“Austenite”，字母A即為Austenite的簡(jiǎn)寫(xiě)?！?”表示奧氏體不銹鋼組類(lèi)第四種材料，是一種約定俗成的表示方式。因此，“A4”表示的是奧氏體不銹鋼組類(lèi)第四種材料。?2，江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全.?“80”的含義? “80”表示緊固件的機(jī)械性能，類(lèi)似于碳鋼螺栓的“8.8級(jí)”或者?碳鋼螺母的“8級(jí)”，江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全。是緊固件標(biāo)準(zhǔn)規(guī)定機(jī)械強(qiáng)度的十分之一，表示螺栓的抗拉強(qiáng)度為＞800Mpa或者保載強(qiáng)度能夠達(dá)到碳鋼8級(jí)螺母要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全" src="http://tyunfile.71360.com/UpLoadFile/besdfj/2019/6/636961156955542999/6369611569555429995194276.png"></div><p> A4L-80和A4-80緊固件的差異在于其材質(zhì)不同。A4只316，A4L指316L.A4L-80和A4-80緊固件的加工難點(diǎn)在于其性能要達(dá)到80的強(qiáng)度。80指的是抗拉強(qiáng)度**小800N/mm2.是屬于不銹鋼中的**度螺栓。栢爾斯道弗A4-80，A4L-80螺絲庫(kù)存齊全。歡迎來(lái)電咨詢(xún)。A4-80和A4L-80螺絲都屬于奧氏體不銹鋼緊固件。奧氏體不銹鋼通常是無(wú)磁的，經(jīng)冷加工后，有些磁性可能是明顯的。各種材料被磁化能力的特性，也適合于不銹鋼。只有在真空狀態(tài)下有可能是完全無(wú)磁。磁場(chǎng)中材料的磁導(dǎo)率的測(cè)量是相對(duì)于材料在真空中的磁導(dǎo)率μr而言。如果μr接近于1，則該材料具有低的磁導(dǎo)率。A4：μr≈1.015. A4L：μr≈1.005.顯而易見(jiàn)，A4L的磁性比A4的磁性弱一些。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全" src="https://tyunfile.71360.com/WaterMark/UploadFile/besdfj/637214433575000000/1047927.jpg"></div><p style="text-indent:25px">A4-80、A4L-80不銹鋼緊固件熱處理在850-1050°C的溫度范圍內(nèi)進(jìn)行退火，然后迅速退火，然后迅速冷卻。316不銹鋼不能通過(guò)熱處理進(jìn)行硬化。焊接316不銹鋼具有良好的焊接性能。可采用所有標(biāo)準(zhǔn)的焊接方法進(jìn)行焊接。焊接時(shí)可根據(jù)用途，分別采用316Cb、316L或309Cb不銹鋼填料棒或焊條進(jìn)行焊接。為獲得比較好的耐腐蝕性能，316不銹鋼鋼的焊接斷面需要進(jìn)行焊后退火處理。如果使用316L不銹鋼，不需要進(jìn)行焊后退火處理。栢爾斯道弗的優(yōu)勢(shì)產(chǎn)品不銹鋼**度緊固件。包括A4-80、A4L-80，A2-80、A2-100，A4-100，A5-80，C1-110，C3-80等螺栓，螺母，雙頭，牙棒,U型栓，以及非標(biāo)定制件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇直銷(xiāo)A4-80 DIN931規(guī)格齊全" src="http://tyunfile.71360.com/UpLoadFile/besdfj/2019/6/636961156789760302/6369611567897603025787951.png"></div></p><br /><p>文章來(lái)源地址: 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