T3紫铜T3特性及适用范围

 T3紫铜

T3紫铜有较好的导电、导热、耐蚀和加工性能,可以焊接和钎焊。但含降低导电、导热性杂质较多,含氧量较T2更高，更易引起“氢病”,不能在高温（如>370℃）还原性气氛中加工（退火、焊接等）和使用。

中文名T3紫铜标    准GB/T 4423-1992材料名称纯铜拉制棒(硬,60～80mm)特    性有较好的导电、导热性能基本信息T3,紫铜T3,T3材料,T3线,T3管,T3铜带,T3铜,T3紫铜,T3材质,T1 T2 T3牌号：T3特性、适用范围有较好的导电、导热、耐蚀和加工性能,可以焊接和钎焊。但含降低导电、导热性杂质较多,含氧量较T2更高，更易引起“氢病”,不能在高温（如>370℃）还原性气氛中加工（退火、焊接等）和使用。化学成份铜+银 CuAg：≥99.70T3T3锡 Sn ：≤0.05铅 Pb：≤0.01镍 Ni：≤0.2铁 Fe：≤0.05锑 Sb ：≤0.005硫 S ：≤0.01砷 As ：≤0.01铋 Bi：≤0.002氧 O：≤0.1注：≤0.3(杂质)力学性能抗拉强度 σb (MPa)：≥210伸长率 δ10 (%)：≥13伸长率 δ5 (%)：≥16注 ：棒材的纵向室温拉伸力学性能试样尺寸：直径或对边距离>60～80热处理规范热加工温度900～1050℃;退火温度500～700℃;冷作硬化铜的再结晶开始温度200～300℃。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=1620631116268&bpp=3&bdt=472&idt=234&shv=r20210505&cbv=%2Fr20190131&ptt=9&saldr=aa&cookie=ID%3D113c8823094a3c32-227bf153f2c700f8%3AT%3D1620630738%3ART%3D1620630738%3AS%3DALNI_MapIGQPEmsnA-xlF1kK2eeUfsUdtA&nras=1&correlator=7397510438487&frm=23&ife=1&pv=1&ga_vid=847591072.1620631117&ga_sid=1620631117&ga_hid=1092776673&ga_fc=0&nhd=1&u_tz=480&u_his=6&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&eid=44739524%2C21067214&oid=3&pvsid=4448009368523192&pem=423&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&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.j88csiv4dtv9&fsb=1&dtd=277" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="1.j88csiv4dtv9" data-load-complete="true">