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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>焊絲供應(yīng)商,焊絲</p><p><span>***更新：</span>2020-12-18 03:04:50</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="iw4q4iy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">簡(jiǎn)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(jī): </span>021-69726282</p><p><span>地址: </span>顧北東路365號(hào)C區(qū)1101</p><p>[當(dāng)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="sqokio4" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="u2c2yuo" class="box"><p><p> A237不銹鋼焊條符合GBE318V-15說(shuō)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(jìn)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(dāng)AWSE317-16說(shuō)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(duì)非氧化性酸（如硫.酸、亞硫.酸、磷酸）以及有機(jī)酸具有較好的耐腐蝕性能。對(duì)于抗點(diǎn)蝕也有良好的作用，可交直流兩用。用途:用于相同類(lèi)型的不銹鋼材料及復(fù)合鋼、異種鋼的焊接。特色A302不銹鋼焊條特色符合GBE309-16相當(dāng)AWSE309-16說(shuō)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，焊絲供應(yīng)商。可交直流兩用，焊絲供應(yīng)商，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(dāng)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(guó)標(biāo)。用途:用于焊接相同類(lèi)型的不銹鋼，焊絲供應(yīng)商、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(dāng)AWSE309-15說(shuō)明:A307是堿***皮的Cr23Ni13不銹鋼焊條。含有造渣、造氣和穩(wěn)弧成分的藥芯焊絲焊接時(shí)不需要保護(hù)氣體，稱(chēng)自保護(hù)藥芯焊絲。焊絲供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265666699219/955806.png"></div><p> 注：1、直徑不大于、E5015、E5016和E5018型焊條及直徑不大于，可適用于立焊和仰焊。2、E4322型焊條適宜單道焊。焊條型號(hào)舉例如下：例14、焊條的選用（1）結(jié)構(gòu)鋼（低碳鋼、中碳鋼、普通低合金鋼）焊條的選用采用結(jié)構(gòu)鋼制造的焊接結(jié)構(gòu)，大多要求焊縫金屬與母材等強(qiáng)度，此時(shí)可按結(jié)構(gòu)鋼的強(qiáng)度選擇相應(yīng)強(qiáng)度等級(jí)的焊條。選擇時(shí)應(yīng)注意以下兩點(diǎn)：1）鋼材的強(qiáng)度等級(jí)是按屈服點(diǎn)劃分的，而結(jié)構(gòu)鋼焊條的強(qiáng)度等級(jí)系指其抗拉強(qiáng)度的比較低保證值，兩者是不一致的。通常應(yīng)選擇抗拉強(qiáng)度保證值與母材相同或稍高的焊條。2）焊縫強(qiáng)度不是比母材高出愈多愈好，而應(yīng)等于或稍高于母材。如果焊縫強(qiáng)度過(guò)高，往往使焊縫的塑性下降，反而有害。當(dāng)焊接接頭不要求焊縫與其等強(qiáng)度時(shí)，可選用抗拉強(qiáng)度較低的焊條。（2）合金結(jié)構(gòu)鋼焊條的選用合金結(jié)構(gòu)鋼焊接時(shí)，通常均不要求焊縫金屬的合金成分與該鋼種的合金成分相同或相近，而主要考慮等強(qiáng)度。但如果母材是耐熱鋼、耐腐蝕鋼時(shí)，從保證焊接接頭的耐熱、耐腐蝕性能出發(fā)，則要求焊縫金屬的主要合金成分與母材相同或相近。此時(shí)，應(yīng)根據(jù)母材的化學(xué)成分選用焊條。（3）根據(jù)母材抗裂性要求選用焊條母材成分中，如果含C或S、P等雜質(zhì)較高時(shí)，很容易在焊縫中形成裂紋。焊絲供應(yīng)商焊接接頭的強(qiáng)度隨著焊絲的合金元素含量變化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671406250/559850.png"></div><p> 7、為使氬氣很好地保護(hù)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(yīng)保持80~85°角,填充焊絲與工件表面夾角應(yīng)盡可能地小，一般為10°左右。8、防風(fēng)與換氣。有風(fēng)的地方，務(wù)請(qǐng)采取擋網(wǎng)的措施，而在室內(nèi)則應(yīng)采取適當(dāng)?shù)膿Q氣措施。二、不銹鋼MIG焊要點(diǎn)及注意事項(xiàng)1、采用平特性焊接電源，直流時(shí)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(zhǎng)度，不銹鋼的MIG焊接，一般都在噴射過(guò)渡的條件下來(lái)施焊，電壓要調(diào)整到弧長(zhǎng)在4~6mm的程度。4、防風(fēng)。MIG焊接容易受到風(fēng)的影響，有時(shí)微風(fēng)而產(chǎn)生氣孔，所以風(fēng)速在，都應(yīng)當(dāng)采取防風(fēng)措施。三、不銹鋼藥芯焊絲焊接要點(diǎn)及注意事項(xiàng)1、采用平特性焊接電源，直流焊接時(shí)采用反極性。使用一般的CO2焊機(jī)就可以施焊，但送絲輪的壓力請(qǐng)稍調(diào)松。2、保護(hù)氣體一般為二氧化碳?xì)怏w，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(zhǎng)度，一般的焊接電流為250A以下時(shí)約15mm，250A以上時(shí)約20~25mm較為合適?！珰寤『笇?duì)人體有多大危害？一定要重視！焊接技術(shù)氬弧焊的危害程度要比焊條電弧焊相對(duì)來(lái)說(shuō)要大，但是沒(méi)有大到讓人望而生畏的地步。</p><p> 此時(shí)應(yīng)選用抗裂性較好的堿性焊條。（4）根據(jù)焊件的工作條件、使用性能和幾何形狀選用焊條1）載荷性質(zhì)在承受動(dòng)載荷或沖擊載荷情況下，除了要求保證抗拉強(qiáng)度外，還對(duì)焊縫金屬的塑性和沖擊韌度有較高的要求，推薦使用堿性焊條。2）工作介質(zhì)若焊件是在腐蝕介質(zhì)中工作的不銹鋼件或其它耐腐蝕材料，必須根據(jù)介質(zhì)種類(lèi)、濃度、工作溫度等情況，選擇或按設(shè)計(jì)規(guī)定采用相應(yīng)的不銹鋼焊條或其它耐腐蝕焊條。3）幾何形狀根據(jù)焊件幾何形狀的復(fù)雜程度、剛性的大小、焊接坡口制備情況以及焊接部位所處的位臵選用焊條，應(yīng)遵循下列原則：[1]形狀復(fù)雜或大厚度的焊件，由于焊縫金屬在冷收縮時(shí)會(huì)產(chǎn)生較大的應(yīng)力，易形成裂紋，因此應(yīng)選用抗裂性較高的焊條，如堿性焊條。[2]某些難以清理干凈的焊接部位，應(yīng)選用氧化性強(qiáng)，對(duì)鐵銹、氧化皮和油垢敏感性較小的酸性焊條，以免產(chǎn)生氣孔等缺點(diǎn)。[3]焊接部件因受條件限制不能翻轉(zhuǎn)時(shí)，必須選用能在任何空間位臵（全位臵）進(jìn)行焊接的焊條。（5）根據(jù)工地設(shè)備和勞動(dòng)條件選用焊條1）根據(jù)工地設(shè)備狀況選用焊條[1]在沒(méi)有直流焊機(jī)的工作場(chǎng)所，不能選用***用直流電源的堿性焊條，應(yīng)選用交流焊條或交、直流兩用的堿性焊條。[2]對(duì)于某些焊件，若選用一般焊條。打開(kāi)焊絲包裝應(yīng)盡快將其全部用完（要求在一周以?xún)?nèi)），一旦焊絲直接暴露在空氣中，其防銹時(shí)間將**縮短。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265685117187/5944643.png"></div><p> 并且會(huì)燒損噴嘴。比方50小管可以選用6號(hào),7號(hào)噴嘴打底蓋面都可以,159可以選用6號(hào)噴嘴打底,8號(hào),10號(hào)蓋面手工鎢極氬弧焊時(shí)氬氣的流量及選擇原則手工鎢極氬弧焊時(shí),氬氣的流量一般為5~15L/min。氬氣流量應(yīng)根據(jù)環(huán)境不同而不同,如果在室內(nèi),氬氣流量可小些,為5-7L/min,在室外,當(dāng)有風(fēng)時(shí),氬氣流量應(yīng)大些,為7~15L/mn并采取防風(fēng)措施、防止空氣侵入熔池而產(chǎn)生氣孔。氬氣表中的流量計(jì)的刻度1格為1MP,1格表示氬氣流量1L/min,浮球所指的刻度為流量值開(kāi)關(guān)的旋轉(zhuǎn)方向:順時(shí)針旋轉(zhuǎn)為關(guān),逆時(shí)針旋轉(zhuǎn)為開(kāi)。氬氣表(氬氣流量計(jì))在工作中,如果氣瓶離自己較遠(yuǎn),不方便查看氣流大小時(shí)可以將噴嘴對(duì)準(zhǔn)臉部來(lái)感覺(jué)氣流大小,時(shí)間長(zhǎng)了就可以大概判斷氣體流量大小。需要注意的是為保證氬氣純度,氬氣瓶?jī)?nèi)氣體壓力為。手工鎢極氬弧焊焊接前試氣方法若氬氣皮帶與氬氣表、氬弧把接口漏氣,氬弧把皮帶有破損及鎢極偏心、夾心鼓脹,氬氣流量過(guò)大或過(guò)小,都會(huì)使氬氣純度低于。試驗(yàn)檢測(cè)氣體純度時(shí),應(yīng)找一塊厚廢鋼板,打磨出一塊露出金屬光澤。***步,對(duì)打磨區(qū)域自熔。第二步,對(duì)自熔部分填充焊絲焊接。第三步,對(duì)焊縫表面進(jìn)行自熔。第四步,對(duì)自熔部分進(jìn)行填絲焊接。第五步,將上一層焊縫表面進(jìn)行再一次填絲焊接。?焊絲包裝成卷或成桶以避免線材相互糾纏或折損。安徽SM2R焊絲廠家</p><p style="text-indent:25px">?工藝性能好，焊縫成形美觀采用氣渣聯(lián)合保護(hù)，獲得良好成形。焊絲供應(yīng)商</p><p> 也可用于焊后不能進(jìn)行熱處理的鉻不銹鋼及復(fù)合鋼、異種鋼等A022Mo不銹鋼焊條符合GBE317L-16相當(dāng)AWSE317L-16說(shuō)明:A022Mo是鈦鈣型藥皮的**碳Cr18Ni12Mo3不銹鋼焊條，其熔敷金屬含碳量≤，具有良好的耐熱、耐腐蝕及抗裂、抗氣孔性能，尤其耐腐蝕性能優(yōu)于A022，有良好的操作工藝性能，藥皮耐紅，強(qiáng)度好?？山恢绷鲀捎谩Ｓ猛?用于**碳00Cr18Ni12Mo3不銹鋼，也可用于焊后不能進(jìn)行熱處理的鉻不銹鋼及復(fù)合鋼和異種鋼的焊接。A032不銹鋼焊條符合GBE317MoCuL-16說(shuō)明:A032是鈦鈣型藥皮的**碳Cr19Ni13Mo2Cu不銹鋼焊條，具有良好的耐熱、耐腐蝕及抗裂、抗氣孔性能，有優(yōu)良的焊接工藝性能?？山恢绷鲀捎?。用途:由于焊縫中含有Mo和Cu，在硫.酸介質(zhì)中具有較高的抗腐蝕性能，用于焊接合成纖維等設(shè)備在稀、中濃度硫.酸介質(zhì)中工作的同類(lèi)型低碳不銹鋼結(jié)構(gòu)，也可焊接Cr10Si3耐酸鋼。A042不銹鋼焊條符合GBE309MoL-16相當(dāng)AWSE309MoL-16到說(shuō)明:A042是鈦鈣型藥皮的**碳Cr23Ni13Mo2不銹鋼焊條，可交直流兩用。由于焊縫中加入適量的Mo，故提高了焊縫金屬的抗裂性及耐腐蝕性能。用途:用于相同類(lèi)型的**碳不銹鋼材料（如尿素合成塔襯里）及異種鋼焊接等。焊絲供應(yīng)商</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司主要經(jīng)營(yíng)范圍是五金、工具，擁有一支專(zhuān)業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。簡(jiǎn)敏五金制造致力于為客戶提供良好的模具焊條，模具焊絲，特種焊絲，特種焊條，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于五金、工具行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2449318.html</p></div></div></div></div></div><div id="mm2w042" class="page-right twoColRt"><div id="cqgkigo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cckiyuk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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