GH4648高温合金 GH4648是Ni-Cr基沉淀硬化型变形高温合金,长期使用温度小于900℃,短时使用温度可达1100℃。合金的特点是加入约ω(Cr)32%,使之具有优异的抗热腐蚀性能。同时合金具有中等的强度和良好的看疲劳和蠕变性能,良好的冷加工性能和焊接性能。适于制作温度在900℃~1100℃、要求优异的耐腐蚀性能的高温结构件。上海冶韩主要品种有板材、带材、管材、棒材、锻件和环形件。GH4648高温合金以用于制作先进航空发动机燃烧室部件及其他热端部件,批产和使用情况良好。相近牌号在国外航空发动机中已获得了极为广泛的应用。GH4648高温合金的综合性能优于国内的GH3044和GH3128性能水平。由于GH4648具有较GH3044更小的比重,所以该合金具有更高的比强度。ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" SANdbox="allow-forms allow-popUPS allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" frameborder="0" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=1%3A32776%2C2%3A32776%2C8%3A134217728%2C9%3A134250504%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=32.0.0*&pra=5&wgl=1&dt=1620281674319&bpp=17&bdt=538&idt=170&shv=r20210504&cbv=%2Fr20190131&ptt=9&saldr=aa&cookie=ID%3D291846eb031c7b75-225488dfacc700fb%3AT%3D1619775504%3ART%3D1619775504%3AS%3DALNI_MbwSZhVJSyAVnKsp3VZHCvY7oon3A&nras=1&correlator=1176042194460&frm=23&ife=1&pv=1&ga_vid=71259623.1620281675&ga_sid=1620281675&ga_hid=624585598&ga_fc=0&nhd=1&u_tz=480&u_his=5&u_java=0&u_h=768&u_w=1360&u_ah=728&u_aw=1360&u_cd=24&u_nplug=15&u_nmime=33&adx=-12245933&ady=-12245933&biw=1295&bih=597&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&oid=3&pvsid=1375324239382515&pem=877&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php&eae=2&fc=1920&brdim=0%2C0%2C0%2C0%2C1360%2C0%2C1360%2C728%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=4&bc=31&ifi=1&uci=1.dhnytuuod79g&fsb=1&dtd=190" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="1.dhnytuuod79g" data-load-complete="true"> |