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3J21合金3J21是什么材料性能欢迎您的来电咨询！周工/TEL：138---1616---6343（微信同号） 3J21（执行标准GB/T 15018-1994和YB／T 5253—1993）3J21的化学成分:合金%磷硫镍钼钴碳锰硅铬铁3J21最小146.5390.300.1519余最大0.0100.010167.5410.030.600.3021量3J21的物理性能:密度8.4 g/cm3熔点1372-1405℃3J21 固溶状态，在常温下合金的机械性能:合金状态抗拉强度 σb (Mpa)延伸率 A5 %硬度 Hv3J21≥700≥35≤2503J21 交货状态，在常温下合金的机械性能:产品品种交货状态厚度或直径性能组别抗拉强度 σb (Mpa)延伸率 A5 %带冷轧0.20～2.5A1175～1470≥5带冷轧0.20～2.5B1470～1765≥3丝冷拉0.20～5.0A1275～1570≥8丝冷拉0.20～5.0B1570～1865≥6此合金具有以下特性：3J21为含钴40%的弹性合金，合金的三个特性：无磁性、耐腐蚀、高弹性 3J21 的金相结构:3J21合金为奥氏体组织3J21应用范围应用领域有：1.适用于制作无磁性、耐腐蚀、高弹性元件2.精密仪表中的張丝、旋丝等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=1618631060050&bpp=3&bdt=245&idt=154&shv=r20210414&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3D1abd6b0d02a81fbc-22c12e7f6ac700ba%3AT%3D1618627583%3ART%3D1618627583%3AS%3DALNI_MZKX6OomR99qIPghT2S7fZSUwcGEA&nras=1&correlator=7920820997945&frm=23&ife=1&pv=1&ga_vid=336410402.1618631060&ga_sid=1618631060&ga_hid=370460465&ga_fc=0&nhd=1&u_tz=480&u_his=23&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=42530671%2C44740079&oid=3&pvsid=1695550258407635&pem=471&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.cdj6817jyr87&fsb=1&dtd=168" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="1.cdj6817jyr87" data-load-complete="true"> |