HAl77-2铝黄铜成分HAl77-2特性

 HAl77-2

1标准

GB/T 13808-1992

2特性及适用范围

HAl77-2，典型的铝黄铜，有高的强度和硬度，塑性良好，可在冷态、热态下进行压力加工，对海水及盐水有良好的耐蚀性，并耐冲击腐蚀，但有脱锌及腐蚀破裂倾向。用于船舶等用做冷凝管及其他耐蚀零件。 3化学成份铜 Cu ：76.0～79.0锌 Zn：余量铅 Pb：≤0.05 磷 P：≤0.02铝 Al：1.8～2.3铁 Fe：≤0.06锑 Sb ：≤0.05砷 As ：0.03～0.06铋 Bi：≤0.002注：≤0.3(杂质总和)4力学性能抗拉强度≥245MPa伸长率≥40%5热处理规范热加工温度720~770℃退火温度600~650℃消除内应力温度270~350℃。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%2C8%3A32776%2C9%3A32776%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=1589933430728&bpp=3&bdt=183&idt=56&shv=r20200514&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3De8eb993b5d074bdc%3AT%3D1589796990%3AS%3DALNI_MZ1-SxjBlpUNJdpWUqZPGwEdijTqQ&crv=1&nras=1&correlator=8079041473006&frm=23&ife=1&pv=1&ga_vid=1879025791.1589933431&ga_sid=1589933431&ga_hid=2137395814&ga_fc=0&iag=3&icsg=42&nhd=1&dssz=4&mdo=0&mso=0&u_tz=480&u_his=21&u_java=0&u_h=768&u_w=1360&u_ah=728&u_aw=1360&u_cd=24&u_nplug=14&u_nmime=31&adx=-12245933&ady=-12245933&biw=1343&bih=605&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=21066085&oid=3&pvsid=4297027709136654&pem=697&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=8220&bc=31&ifi=0&uci=0.n86roteppv22&fsb=1&dtd=86" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="0.n86roteppv22" data-load-complete="true">