奥氏体低碳镍-钼-铬合金HastelloyC-4

 概述：

HastelloyC-4是一种奥氏体低碳镍-钼-铬合金。HastelloyC-4 和其它早期开发的相似化学成分的合金的主要区别是低碳、硅、铁、钨含量。这样的化学成分使其在650-1040℃时表现出极好的稳定性，提高了抗晶间腐蚀的能力，在适当的制造条件下可以避免刃线腐蚀敏感性和焊缝热影响区腐蚀。

外文名HastelloyC-4密    度ρ=8.6g/cm3熔化温度范围1335～1380℃特    点抗腐蚀

相近牌号：

NS335（中国）、.2.4610、NiMo16Cr16Ti（德国）、hastelloyc-4、UNS N06455(美国）、NiMo16Cr16Ti(ISO)特点：●对大多数腐蚀介质具有优良的耐腐蚀性，尤其在还原状态下。●在卤化物中有优秀的耐局部腐蚀性。应用：●烟气脱硫系统●酸洗和酸再生工厂●乙酸和农用化学品生产●二氧化钛生产（氯法）●电解电镀焊接：hastelloy C-4能用各种焊接工艺焊接，如钨电极惰性气体保护焊、等离子弧焊、手工亚弧焊、金属极惰性气体保护焊、熔化极惰性气体保护焊。优先考虑采用脉冲电弧焊。焊接前，材料需为退火态，去除氧化皮、油污和各种标记印痕，焊缝两边约25mm 宽范围需打磨至光亮金属表面。采用低热量输入，层间温度不超过150℃。不需要焊前和焊后热处理推荐使用的填充金属GTAW/GMAW Nicrofer S 6616W.-Nr. 2.4611SG-NiMo16Cr16TiAWS A 5.14 ERNiCRMo-7BS 2901 NA45SMAWW.-Nr. 2.4612EL-NiMo15Cr15TiAWS A 5.11 ENiCrMo-7采用埋弧焊的堆焊焊带 Nicrofer B 6616W.-Nr. 2.4611UP-NiMo16Cr16Ti采用以上焊材，可以使碳和硅的析出最少。若要得到最适合的耐腐蚀性，首先考虑氩弧焊GTAW。GTAW 和SMAW ​时ABSolute; bottom: -2px; left: 0px; background-size: 49px; background-position: 0px 100%; background-repeat: repeat-x; width: 15.9896px; height: 3px; background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2049%203%22%3E%3Cpath%20fill%3D%22none%22%20stroke%3D%22%23F23C42%22%20d%3D%22M0%2C1.5C1.5%2C1.5%2C1.5%2C0%2C3%2C0s1.5%2C1.5%2C3%2C1.5S7.5%2C0%2C9%2C0s1.5%2C1.5%2C3%2C1.5S13.5%2C0%2C15%2C0s1.5%2C1.5%2C3%2C1.5%20c1.5%2C0%2C1.5-1.5%2C3-1.5c1.5%2C0%2C1.5%2C1.5%2C3%2C1.5S25.5%2C0%2C27%2C0c1.5%2C0%2C1.5%2C1.5%2C3%2C1.5S31.5%2C0%2C33%2C0c1.5%2C0%2C1.5%2C1.5%2C3%2C1.5S37.5%2C0%2C39%2C0%20s1.5%2C1.5%2C3%2C1.5S43.5%2C0%2C45%2C0c1.5%2C0%2C1.5%2C1.5%2C3%2C1.5S49.5%2C0%2C51%2C0%22%3E%3C%2Fpath%3E%3C%2Fsvg%3E");">​​使用​​与​母材一致的焊材。​APP_bt/0/14603592893/641" style="width: 400px; height: 149.132px; border-radius: 8px; box-sizing: border-box; max-width: 400px;">搜图编辑图片描述" w-asyncvalue="captcha" dt-eid="editor-imgcapture" value="" style="font-size: 14px; color: rgb(34, 34, 34); text-align: center; border-width: initial; border-style: none; border-color: initial; outline: none; width: 696.25px;">​ ​搜图编辑​ ​搜图编辑​ ​搜图编辑​ LED">SANdbox="allow-forms allow-popUPS allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" frameborder="0" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=9%3A32776%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32&plas=222x682_l%7C222x682_r&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=0&pra=5&wgl=1&dt=1646729793806&bpp=4&bdt=321&idt=138&shv=r20220303&mjsv=m202203030101&ptt=9&saldr=aa&cookie=ID%3D6fd22a1bf304d1c1-2225868ecfd00089%3AT%3D1646379640%3ART%3D1646379640%3AS%3DALNI_MYe1AS6WWP9K0Vzzx-QpdocjPIV9w&nras=1&correlator=4935627469393&frm=23&ife=1&pv=1&ga_vid=42964035.1646729794&ga_sid=1646729794&ga_hid=1721276476&ga_fc=0&nhd=1&u_tz=480&u_his=50&u_h=1080&u_w=1920&u_ah=1040&u_aw=1920&u_cd=24&u_sd=1&DMC=8&adx=-12245933&ady=-12245933&biw=1453&bih=827&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=44759837%2C42531397%2C44750774%2C31065370%2C44760495&oid=2&pvsid=2970828607292686&pem=54&tmod=1052561378&uas=0&nvt=1&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&eae=2&fc=1920&brdim=63%2C0%2C63%2C0%2C1920%2C0%2C1459%2C937%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=32772&bc=31&ifi=1&uci=1.v3gq5kj4wsv6&fsb=1&dtd=172" data-google-container-id="1.v3gq5kj4wsv6" data-load-complete="true">