GH2696 GH2696是Fe-Ni-Cr基沉淀强化型变形高温合金,长时使用温度在650℃以下,短时使用温度可达750℃。合金具有较高的屈服强度、持久和蠕变强度,以及良好的高温弹性性能、抗燃气腐蚀性能和加工塑性。适合于制造在650℃以下长期工作的涡轮和压气机紧固件、盘件和工作叶片、涡轮壳体、环形零件(包括连接环),以及在400℃~650℃工作的圆柱形螺旋弹簧等。主要产品有棒材、锻件、环件、板材、带材和丝材等。相近合金在国外广泛用于制作航空发动机的各种高温零部件,有长期可靠的使用经验。我国用该合金在多种发动机上制作快卸环、紧固件、弹簧、管接头、安装座和支架等各类零件,并通过使用考核,已批产和使用。GH2696化学成分元素CCrNiMoAlTi质量分数/%≤0.110.0-10.2521.0-25.01.0-1.6≤0.82.6-3.2元素FeBSiMnPS质量分数/%余≤0.02≤0.6≤0.6≤0.02≤0.01GH2696物理及力学性能密度熔点7.93g/cm3- 品种热处理方式抗拉强度σb/MPa屈服强度σp0.2/MPa延伸率σ5 /%收缩率Ψ/%布氏硬度HBS冷轧薄板供应状态+(700-750)℃*(3-5)h/AC≥1175-≥835-40冷拉丝供应状态+(700-750)℃*(3-5)h/AC≥1275-≥8≥20≥40GH2696热处理制度品种方案标准热处理制度冷轧薄板冷拉丝材一供应状态1100℃+15℃/AC+( 700~750)℃×(3~5)h/AC冷轧带材冷轧弹簧带—供应状态 (950~1050)℃/AC+700℃±10℃×(3~5)h/FC至650℃/AC冷拉棒Ⅰ供应状态1100℃×(0.5~2)h/OQ或 WQ+750℃±10℃×16h/FC至650℃±10℃×16h/ACⅡ供应状态1100℃×(0.5~2)h/OQ或 WQ+750℃±10℃×16h/FC至650℃±10℃×16h/ACⅢ供应状态+1100℃±10℃×(1~2)h/OQ+780’C +10℃×16 h/ACⅣ供应状态+(1100~1120)℃×(3~5)h/OQ+( 840~850)℃×(3~5) h/AC+ (700~730)℃×(16~25)h/AC热轧和锻制棒材Ⅰ1100℃±10℃×(1~2)h/OQ+780℃±10℃×l6h/FC至650℃±10℃×16h/ACⅡ(1100~1120)℃×(3~5)h/OQ+(840~850)℃×(3~5)h/AC+(700~730)℃× (16~25)h/AC锻件Ⅰ(1100~1120)℃×(3.5~ 4.5) h/OQ+(835~855)℃~(3~5) h/AC+(710~ 730)℃×(16~16.5)h/ACⅡ (1090~1100)℃×(1~2)h/OQ+ 780℃±10℃±10℃×16h/FC至650℃±10℃×16h/AC PARent;">ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" SANdbox="allow-forms allow-pointer-lock 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%2C9%3A32776%2C10%3A32%2C11%3A32%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32%2C40%3A32&guci=2.2.0.0.2.2.0.0&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=29.0.0&pra=5&wgl=1&dt=1597056929261&bpp=4&bdt=201&idt=133&shv=r20200805&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3D15aaf24cb8b46054%3AT%3D1597030590%3AS%3DALNI_MaWtoCHYLEvdX_W1KRjPBAeoVRoBA&nras=1&correlator=1173166590054&rume=1&frm=23&ife=1&pv=1&ga_vid=930123335.1597056929&ga_sid=1597056929&ga_hid=1672660436&ga_fc=0&iag=3&icsg=42&nhd=1&dssz=4&mdo=0&mso=0&u_tz=480&u_his=7&u_java=0&u_h=768&u_w=1360&u_ah=728&u_aw=1360&u_cd=24&u_nplug=16&u_nmime=34&adx=-12245933&ady=-12245933&biw=1295&bih=597&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=42530557%2C42530559%2C21066358%2C21066920%2C21066613%2C21066615%2C21066806&oid=3&pvsid=2759344272872375&pem=279&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&rx=0&eae=2&fc=1920&brdim=0%2C0%2C0%2C0%2C1360%2C0%2C1360%2C728%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=8204&bc=31&ifi=0&uci=0.lzxygucsccig&fsb=1&dtd=172" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="0.lzxygucsccig" data-load-complete="true"> |