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href="http://www.cdcfah.com/cp/second-wjgj_hjclyfjqh/">焊接材料與附件</a>?<a href="http://www.cdcfah.com/cp/third-hjclyfjqh_hansi/">焊絲</a>?昆山NH45R焊絲生產(chǎn)廠歡迎來電簡敏精密五金制造供應</p><div id="g2zwysu" class="leftbox clearfix"><h1>昆山NH45R焊絲生產(chǎn)廠歡迎來電簡敏精密五金制造供應</h1><div id="u3j8qpg" class="proBig"><div id="fuw3c8p" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8vnfr3o" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cbt7zo8" 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)品關鍵詞：</span>昆山NH45R焊絲生產(chǎn)廠,焊絲</p><p><span>***更新：</span>2020-07-08 13:23:13</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="82oax4r" 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="nmeldmi" class="page-proshow02"><p class="title">詳細說明</p><div id="hg7dxwn" class="box"><p><p> A052不銹鋼焊條說明:A052是鈦鈣型藥皮的**碳Cr18Ni24Mo5不銹鋼焊條，其焊縫金屬具有耐含甲酸、醋酸介質(zhì)點腐蝕及抗氯離子腐蝕性能，它比A022等焊條耐腐蝕性能為優(yōu)。具有優(yōu)良的焊接工藝性能，可交直流兩用。用途:用于化學耐硫.酸、醋酸、磷酸的反應器、分離器，昆山NH45R焊絲生產(chǎn)廠，同時可用于抗海水腐蝕用鋼（00Cr18Ni24Mo5）以及異種鋼的焊接。A062不銹鋼焊條符合GBE309L-16相當AWSE309L-16說明:A062是鈦鈣型藥皮的**碳Cr23Ni13不銹鋼焊條，可交直流兩用，由于含碳量低，故在不含Nb、Ti等穩(wěn)定劑時也能抵抗因碳化物析出而產(chǎn)生的晶間腐蝕。用途:用于合成纖維、石油化工等設備制造的相同類型的不銹鋼結(jié)構(gòu)、復合鋼和異種鋼等構(gòu)件，也可用于核反應堆、壓力容器內(nèi)壁過渡層堆焊和塔內(nèi)構(gòu)件焊接。A101不銹鋼焊條符合GBE308-16相當AWSE308-16說明:A101是鈦型藥皮的Cr19Ni10不銹鋼焊條，可交直流兩用，施焊時藥皮具有不發(fā)紅、不開裂的特點，焊縫金屬具有良好的力學性能及抗晶間腐蝕性能，特別適宜于薄板平焊。用途:用于工作溫度低于300℃的Cr19Ni9及Cr19Ni11Ti的不銹鋼薄板結(jié)構(gòu)的焊接，昆山NH45R焊絲生產(chǎn)廠。特色A102不銹鋼焊條特色符合GBE308-16相當AWSE308-16說明:A102是鈦鈣型藥皮的Cr19Ni10不銹鋼焊條，昆山NH45R焊絲生產(chǎn)廠。焊絲應放在木托盤上，不能將其直接放在地板或緊貼墻壁。昆山NH45R焊絲生產(chǎn)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山NH45R焊絲生產(chǎn)廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png"></div><p> 放射性氣溶膠是造成人體內(nèi)照射的主要威脅。強電弧光的危害焊接弧光輻射主要有可見光、紅外線和紫外線。它們作用到人體上，被人體組.織吸收，引起組.織的熱作用、光化學作用或電離作用，使人體組.織受到損傷?？梢姽饩€的光度比肉眼正常承受的光度大約大到一萬倍左右，當可見光線輻射人的眼睛時，會產(chǎn)生疼痛感，看不清東西，通常叫“晃眼”，在短時間內(nèi)失去勞動能力。紅外線對人體的危害主要是引起組.織的熱作用。在焊接過程中，眼部受到強烈的紅外線輻射，會立即感到強烈的灼傷和灼痛，發(fā)生閃光幻覺。長期接觸可能造成紅外線白內(nèi)障、視力減退，嚴重時可導致失明。紫外輻射(ultravioletradiation，UV)又稱紫外線，是指波長在100—400nm的電磁波。適量的紫外線照射可以對人體產(chǎn)生有益的作用，但是過量照射會對人體造成不良的影響(如電焊紫外輻射)。紫外線對人體的危害主要是光化學作用，對人體皮膚和眼睛造成損害。皮膚受到強烈的紫外線輻射后，可引起皮炎，彌漫性紅斑，有時出現(xiàn)小水泡、滲出液，有燒灼感，發(fā)癢；作用強烈時伴有全身癥狀：***、頭暈、易疲勞、神經(jīng)興奮、發(fā)燒、***等。紫外線過度照射人的眼睛，可引起眼睛急性角膜和結(jié)膜炎，即電光眼炎。昆山NH45R焊絲生產(chǎn)廠用合金含量高于母材的焊絲作填充金屬，通?？煞乐购缚p金屬裂紋。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山NH45R焊絲生產(chǎn)廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png"></div><p> 焊條介紹及1、焊芯及藥皮涂有藥皮的供手弧焊用的熔化電極，叫做焊條。焊條由藥皮和焊芯兩大部分所組成。焊條端部有一段沒有藥皮的夾持端，被焊鉗夾住后可以傳導電流（藥皮不導電），焊條末端的藥皮磨成錐形，便于焊接時引弧。焊條上端藥皮處印有該焊條的型號或牌號，以便焊工使用時識別。（1）焊芯碳素結(jié)構(gòu)鋼和低合金結(jié)構(gòu)鋼焊接用的焊條，其焊芯材料為低碳鋼。常用牌號為H08A，含義如下：H08A焊芯的化學成分，見表3-1。碳在焊接過程中會引起飛濺，并使焊縫產(chǎn)生氣孔和裂紋，所以必須限制焊芯中碳的含量。焊芯的長度與焊芯的直徑（即焊條的直徑）有關，見表3-2。焊芯直徑越細，電阻越大，焊接時由于電流通過焊芯所產(chǎn)生的電阻熱也越大，使藥皮發(fā)紅變質(zhì)，所以其長度就越短。生產(chǎn)中常用的焊芯直徑是，，。（2）藥皮在焊接過程中藥皮的作用是：1）使電弧穩(wěn)定燃燒。2）產(chǎn)生熔渣和氣體，防止空氣中的氧、氮侵入焊縫金屬，以提高焊縫質(zhì)量。3）產(chǎn)生的熔渣覆蓋在焊縫上，使焊縫表面成形良好。4）通過熔渣與熔化金屬之間的化學反應，能增加焊縫金屬中合金元素的含量，改善和提高焊縫金屬的力學性能。</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。?有些合金，如鈷鉻鎢合金，不能鍛、軋和拔絲，而用鑄造方法制成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山NH45R焊絲生產(chǎn)廠,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265688232422/703661.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。可交直流兩用，有良好的操作工藝性能。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。熔滴的過渡多以球滴過渡為主，飛濺較多。福建SM2R焊絲供應商</p><p style="text-indent:25px">含有造渣、造氣和穩(wěn)弧成分的藥芯焊絲焊接時不需要保護氣體，稱自保護藥芯焊絲。昆山NH45R焊絲生產(chǎn)廠</p><p> 7、為使氬氣很好地保護焊接熔池，和便于施焊操作，鎢極中心線與焊接處工件一般應保持80~85°角,填充焊絲與工件表面夾角應盡可能地小，一般為10°左右。8、防風與換氣。有風的地方，務請采取擋網(wǎng)的措施，而在室內(nèi)則應采取適當?shù)膿Q氣措施。二、不銹鋼MIG焊要點及注意事項1、采用平特性焊接電源，直流時采用反極性(焊絲接正極)2、一般采用純氬氣(純度為)或Ar+2%O2,流量以20~25L/min為宜。3、電弧長度，不銹鋼的MIG焊接，一般都在噴射過渡的條件下來施焊，電壓要調(diào)整到弧長在4~6mm的程度。4、防風。MIG焊接容易受到風的影響，有時微風而產(chǎn)生氣孔，所以風速在，都應當采取防風措施。三、不銹鋼藥芯焊絲焊接要點及注意事項1、采用平特性焊接電源，直流焊接時采用反極性。使用一般的CO2焊機就可以施焊，但送絲輪的壓力請稍調(diào)松。2、保護氣體一般為二氧化碳氣體，氣體流量以20~25L/min較適宜。3、焊嘴與工件間的距離以15~25mm為宜。4、干伸長度，一般的焊接電流為250A以下時約15mm，250A以上時約20~25mm較為合適?！珰寤『笇θ梭w有多大危害？一定要重視！焊接技術氬弧焊的危害程度要比焊條電弧焊相對來說要大，但是沒有大到讓人望而生畏的地步。昆山NH45R焊絲生產(chǎn)廠</p><p style="text-indent:25px">簡敏精密五金制造(上海)有限公司始建于2016-12-05，坐落于顧北東路365號C區(qū)1101，現(xiàn)有員工51~100人余人。致力于創(chuàng)造***的產(chǎn)品與服務，以誠信、敬業(yè)、進取為宗旨，以建簡敏明星產(chǎn)品為目標，努力打造成為同行業(yè)中具有影響力的企業(yè)。我公司擁有強大的技術實力，多年來一直專注于精密五金、普通機械設備加工(限分支機構(gòu)經(jīng)營)、銷售;模具加工(限分支機構(gòu)經(jīng)營)及維修;工業(yè)設備、包裝材料、焊材、五金配件的加工(以上限分支機構(gòu)經(jīng)營)、銷售;工業(yè)自動化設備安裝及維修(除特種設備);自行車及配件(電動自行車按本市產(chǎn)品目錄經(jīng)營)、蓄電池、橡膠制品、電動工具、焊接材料、汽車配件、金屬材料、鋼材、建材的批發(fā)兼零售。的發(fā)展和創(chuàng)新，打造高指標產(chǎn)品和服務。簡敏精密五金制造(上海)有限公司主營業(yè)務涵蓋[ "模具焊條", "模具焊絲", "特種焊絲", "特種焊條" ]，堅持“質(zhì)量***、質(zhì)量服務、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/536200.html</p></div></div></div></div></div><div id="dxpr7nz" class="page-right twoColRt"><div id="tnpicoa" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7xoqctv" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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