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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3frxtuf" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685263672/7237309.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tb3kdop" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>南京H13焊絲訂購,焊絲</p><p><span>***更新：</span>2020-09-17 03:03:31</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="orijuvw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">簡敏精密五金制造(上海)有限公司</a></p><p><span>聯(lián)系人：</span>龔先生</p><p><span>郵箱: </span></p><p><span>電話: </span>13818473006</p><p><span>傳真: </span>021_69726282</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-69726282</p><p><span>地址: </span>顧北東路365號C區(qū)1101</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="97q8fqg" class="page-proshow02"><p class="title">詳細說明</p><div id="tlxy7xo" class="box"><p><p> 1、焊接方法板狀仰焊的焊接有2種方法：連弧法及熄弧法。連弧法是通過連續(xù)而有規(guī)則地擺動焊條進行短弧施焊的操作方法；熄弧法是在封底焊時采用電弧燃燒一定時即行熄滅，然后再引燃、再熄滅，從而使熔池金屬迭加成形的方法。這2種方法各有所長。熄弧法可以保證封底焊縫有良好的成形，能有效地控制焊縫下垂、頂面內(nèi)凹，缺點是由于焊接過程處于間斷狀態(tài)，容易出現(xiàn)氣孔、夾渣等缺點。連弧法可以使焊接過程連續(xù)化，能夠有效地保證焊接質(zhì)量，但操作方法不當將會造成焊縫下垂，表面內(nèi)凹。比較2種焊接方法，南京H13焊絲訂購，連弧焊更值得推廣。在一些工業(yè)發(fā)達國家，如德國、美國、日本等，生產(chǎn)中都要求采用這種焊接方法。2試板及工藝要求試板要求試板材質(zhì)為Q235B，規(guī)格為100mm×12mm×300mm。采用E5015（J507）焊條，焊接位置為仰焊，要求單面焊雙面成形。坡口形式如圖1所示。焊接工藝參數(shù)焊接工藝參數(shù)見表1。表1焊接工藝參數(shù)焊條角度施焊過程中焊條與焊接方向的夾角如圖2所示。3，南京H13焊絲訂購、焊接操作要點封底層的焊接對整個試板而言，封底層的焊接是關(guān)鍵，在焊接過程中，焊接熔池金屬的自身重力在電弧作用力和液態(tài)金屬的表面張力作用下處于平衡狀態(tài)，南京H13焊絲訂購。具體操作是地。焊絲焊補時熱影響區(qū)非常小，不會產(chǎn)生內(nèi)應力。南京H13焊絲訂購</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京H13焊絲訂購,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685263672/7237309.png"></div><p> A237不銹鋼焊條符合GBE318V-15說明:A237是堿***皮的低碳Cr18Ni12Mo2V不銹鋼焊條，由于熔敷金屬含有V，故具有良好的耐熱性能和抗裂性能。采用直流反接，可進行全位置焊接。用途:用于要求一般耐熱而又有一定耐蝕性的Cr19Ni10及0Cr18Ni12Mo2不銹鋼結(jié)構(gòu)的多層焊接。A242不銹鋼焊條符合GBE317-16相當AWSE317-16說明:A242是鈦鈣型藥皮的低碳Cr19Ni13Mo3不銹鋼焊條，其熔敷金屬含Mo量比A202更高，對非氧化性酸（如硫.酸、亞硫.酸、磷酸）以及有機酸具有較好的耐腐蝕性能。對于抗點蝕也有良好的作用，可交直流兩用。用途:用于相同類型的不銹鋼材料及復合鋼、異種鋼的焊接。特色A302不銹鋼焊條特色符合GBE309-16相當AWSE309-16說明:A302是鈦鈣型藥皮的Cr23Ni13不銹鋼焊條，熔敷金屬具有良好的抗裂性能及抗氧化性能?？山恢绷鲀捎茫辛己玫牟僮鞴に囆阅?。為了提高熔敷金屬的抗裂性和耐蝕性，適當提高了Mo含量，比GB/T983-1995E309-16中的Mo含量高1%左右，其它成分均符合國標。用途:用于焊接相同類型的不銹鋼、不銹鋼襯里、異種鋼（Cr19Ni9同低碳鋼）以及高鉻鋼、高錳鋼等。A307不銹鋼焊條符合GBE309-15相當AWSE309-15說明:A307是堿***皮的Cr23Ni13不銹鋼焊條。浙江模具焊絲供應商實芯焊絲的分類及特點實芯焊絲是目前**常用的焊絲,由熱軋線材經(jīng)拉拔加工而成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京H13焊絲訂購,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg"></div><p> 熔敷金屬具有良好的力學性能及抗晶間腐蝕性能。有優(yōu)良的焊接工藝性能和抗氣孔性能，藥皮耐發(fā)紅、抗開裂。可交直流兩用。用途:用于焊接工作溫度低于300℃的耐腐蝕的0Cr19Ni9及0Cr19Ni11Ti的不銹鋼結(jié)構(gòu)。A107不銹鋼焊條符合GBE308-15相當AWSE308-15說明:A107是堿***皮的Cr19Ni10不銹鋼焊條。熔敷金屬具有良好的力學性能及抗晶間腐蝕性能。采用直流反接，能進行全位置焊接。用途:用于焊接工作溫度低于300℃的耐腐蝕的0Cr19Ni9型不銹鋼結(jié)構(gòu)，也可焊接一些可焊性較差的鋼材（如高鉻鋼等）以及堆焊不銹鋼表面層。特色A132不銹鋼焊條特色符合GBE347-16說明:A132是鈦鈣型藥皮含Nb穩(wěn)定劑的Cr19Ni10Nb不銹鋼焊條，具有優(yōu)良的抗晶間腐蝕性能和良好的機械性能。具有優(yōu)良的焊接工藝和抗氣孔性能，藥皮耐發(fā)紅、抗開裂，可交直流兩用。用途:用于焊接重要的耐腐蝕含Ti穩(wěn)定的0Cr19Ni11Ti型不銹鋼。A137不銹鋼焊條符合GBE347-15說明:A137是堿***皮、低碳含Nb穩(wěn)定劑的Cr19Ni10Nb不銹鋼焊條，具有優(yōu)良的抗晶間腐蝕性能。采用直流反接，能進行全位置焊接。用途:用于焊接重要的耐腐蝕含Ti穩(wěn)定的0Cr19Ni11Ti型不銹鋼。</p><p> 焊條烘干的目的焊條在儲存、運輸期間藥皮會吸潮，使藥皮中的水分增加。焊條使用前進行烘干的作用就是降低藥此中的含水量，其目的是：1）減少焊接過程中的飛濺，使焊接電弧能夠穩(wěn)定地燃燒。2）防止在焊縫中產(chǎn)生氣孔。3）防止產(chǎn)生在焊接某些低合金鋼時由氫引起的延遲裂紋。根據(jù)JB3223—83《焊條質(zhì)量管理規(guī)程》的規(guī)定，酸性焊條烘干的溫度為75～150℃時間為1～2h。酸性焊條由于對水分產(chǎn)生氣孔的敏感性不大，所以烘干溫度相對要低一些。堿性焊條的烘干溫度350--400℃，時間1--2小時，烘干后放在100--150℃的保溫箱內(nèi)，隨用隨取。JB4709中有推薦保溫時間和溫度(非強制性標準),不過實際使用時比較好參考焊條質(zhì)保書中的溫度及時間要求！堿性焊條過高的烘干溫度也是不合適的：一是浪費能源；其次是當烘干溫度超過500℃時，藥皮中的某些成分（如CaCO3）就要發(fā)生分解，起不到應有的保護作用。焊條烘干時的注意事項焊條烘干時應注意如下事項：1）低氫型焊條在常溫下超過4h時，應重新烘干。重復烘干次數(shù)不宜超過3次。2）烘干焊條時，禁止將焊條突然放進高溫爐內(nèi)，或從高溫爐中突然取出冷卻，防止焊條因驟冷驟熱而發(fā)生的藥皮開裂現(xiàn)象。3）焊條烘干時應作記錄。在氣焊和鎢極氣體保護電弧焊時，焊絲用作填充金屬。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京H13焊絲訂購,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png"></div><p> A172不銹鋼焊條符合GBE307-16相當AWSE307-16說明:A172是鈦型藥皮的不銹鋼焊條，交直流兩用。焊縫金屬具有優(yōu)良的抗裂性。用途:適于ASTM307鋼及其它異種鋼焊接，也可用于耐沖擊腐蝕鋼和過渡層堆焊。如高錳鋼、淬硬鋼等。A201不銹鋼焊條符合GBE316-16相當AWSE316-16說明:A201是鈦型藥皮的低碳Cr18Ni12Mo2不銹鋼焊條。施焊時藥皮具有不發(fā)紅、不開裂的特點，由于熔敷金屬添加Mo。故具有良好的耐蝕、耐熱及抗裂性能，特別對抗氯離子點蝕有好處?？山恢绷鲀捎?。用途:用于焊接在有機和無機酸（非氧化性酸）介質(zhì)中工作的0Cr18Ni12Mo2不銹鋼設(shè)備。也可用于焊后不能進行熱處理的高鉻鋼或作為異種鋼焊接。A202不銹鋼焊條符合GBE316-16相當AWSE316-16說明:A202是鈦鈣型藥皮的低碳Cr18Ni12Mo2不銹鋼焊條。由于焊縫金屬添加Mo，故具有良好的耐蝕、耐熱及抗裂性能，特別對抗氯離子點蝕有好處。可交直流兩用，有優(yōu)良的操作工藝性能。用途:用于焊接在有機和無機酸（非氧化性酸）介質(zhì)中工作的0Cr18Ni12Mo2不銹鋼或作為異種鋼焊接。A207不銹鋼焊條符合GBE316-15相當AWSE316-15說明:A207是堿***皮的低碳Cr18Ni12Mo2不銹鋼焊條。由于熔敷金屬含有Mo，故具有良好的耐蝕、耐熱及抗裂性能。焊絲外表容易銹蝕，粉劑易吸潮，因此對藥芯焊絲保存一管理的要求更為嚴格。浙江模具焊絲供應商</p><p style="text-indent:25px">主要用于工件表面的手工堆焊，以滿足如抗氧化、耐磨損和高溫下耐腐蝕等特殊性能要求。南京H13焊絲訂購</p><p> 補焊要求不高的黃銅鑄件可采用純銅芯焊條，如ECu（T107）。電源采用直流正接，V型坡口角度不應小于60°～70°。板厚超過14mm時，焊前焊件表面應仔細清理，***一切會產(chǎn)生氫氣的油類雜質(zhì)。操作時應當用短弧焊接，焊條不做橫向和前后擺動，只沿焊縫的直線移動。焊接速度要快，不應低于～。多層焊時，層與層之間的氧化膜及渣應***干凈。黃銅的銅液流動性大，故溶池比較好處于水平位置，若溶池必須傾斜，則傾角不應大于15°3．黃銅的手工氬弧焊手工鎢極氬弧焊時，焊絲采用錫黃銅焊絲HSCuZ-1（HS221）、鐵黃銅焊絲HSCuZn-2（HS222）、硅黃銅焊絲HSCuZn-4（HS224）。這些焊絲含鋅較高，焊接時煙霧較大。亦可用青銅焊絲HSCuSi（HS211）、HSCuSn（HS212）。焊接可以用直流正接，也可以用交流。用交流焊接時，鋅的蒸發(fā)比直流正接時輕。通常焊前不用預熱，只有板厚相差比較大時才預熱。焊接速度應盡可能快。焊件在焊后應加熱300~400℃進行退火處理，消除焊接應力，以防止焊件在使用過程中裂縫。由于鋅的蒸發(fā)破壞氬氣的保護效果，所以焊接黃銅時應選用較大的噴嘴孔徑和氬氣流量。焊前一般不預熱，只有焊接厚度大于10mm的接頭和焊接邊緣厚度相差比較大的接頭時才需預熱。南京H13焊絲訂購</p><p style="text-indent:25px">簡敏精密五金制造(上海)有限公司致力于五金、工具，以科技創(chuàng)新實現(xiàn)***管理的追求。簡敏五金制造擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供模具焊條，模具焊絲，特種焊絲，特種焊條。簡敏五金制造不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導，以產(chǎn)品為平臺，以應用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。簡敏五金制造始終關(guān)注自身，在風云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使簡敏五金制造在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: 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