QSn4-3是什么材料

 QSn4-3圆棒销售：直径6mm-350mm，均有现货       

QSn4-3圆棒分类：车光圆、拉光圆、黑皮毛圆          

QSn4-3板材销售：厚度6mm-300mm，均有现货          

QSn4-3板材分类：机扎板、锻造板、锻板、扎板、拉丝板         

QSn4-3产品备注：零售，批发1吨起按批发价格销售   ____________________________________________________QSn4-3为含锌的锡青铜，耐磨性和弹性高，抗磁性良好 ，能很好地承受热态或冷态压力加工；在硬态下，可切削性好，易焊接和钎焊，在大气，淡水和海水中耐蚀性好。QSn4-3用于制作弹簧（扁弹簧、圆弹簧）及其他弹性元件，化工设备上的耐蚀零件以及耐磨零件（如衬套、圆盘、轴承等）和抗磁零件造纸工业用的刮刀。 　　QSn4-3化学成分： 锡(Sn)3.5～4.5,锌(Zn)2.7～3.3,铝(Al)≤0.002,硅(Si)≤0.002,磷(P)≤0.03,铁(Fe)≤0.05,铅(Pb)≤0.02,铜(Cu)余量,锑(Sb)≤0.002,铋(Bi)≤0.002,杂质总和%≤0.2 市面常见产品形状有板、带、箔、棒、线。QSn4-3锡青铜QSn4-3：为含锌的锡青铜，耐磨性和弹性高，抗磁性良好，能很好地承受热态或冷态压力加工；在硬态下，可切削性好，易焊接和钎焊，在大气，淡水和海水中耐蚀性好。　  制作弹簧（扁弹簧、圆弹簧）及其他弹性元件，化工设备上的耐蚀零件以及耐磨零件（如衬套、圆盘、轴承等）和抗磁零件造纸工业用的刮刀。QSn4-4-2。5／QSn4-4-4：为添有锌、铅合金元素的锡青铜，有高的减磨性和良好的可切削性，易于焊接和钎焊，在大气、淡水中具有良好的耐蚀性，只能在冷态下进行压力加工，因含铅热加工时易引起热脆。 -----------------------------------------------------------------【上海冶韩金属有限公司铜合金现货规格】 铜板厚度0.8 1.0 1.5 2.0 2.5 3.0 4.0 5.0 6.0 8.0 10 12 15 16 20---250mm铜带厚度0.15 0.2 0.25 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.5 1.6 2.0mm铜棒直径∮2.0 3.0 4.0 5.0 6.0 8.0 10 12 16 18 20 25 30 35 38 40--315mm铜线线径0.1 0.15 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.3 1.4 1.5 1.6 1.8 2.0 3.0 4.0mm现货供应供应以上常规规格，特殊尺寸均可按要求订做！上海冶韩金属有限公司专业生产批发铜板，铜棒，铜带，铜管，铜线等.本公司以质量求生存,信誉求发展!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=1595250526171&bpp=4&bdt=142&idt=214&shv=r20200715&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3De81fd1798a6d7dc2%3AT%3D1595250050%3AS%3DALNI_ManeehOGBT8Y_sAF793OfIUStJLnw&nras=1&correlator=1094215974003&frm=23&ife=1&pv=1&ga_vid=1061265873.1595250526&ga_sid=1595250526&ga_hid=7029271&ga_fc=0&iag=3&icsg=42&nhd=1&dssz=4&mdo=0&mso=0&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=32&adx=-12245933&ady=-12245933&biw=1343&bih=605&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=21065724%2C21066125%2C21066357%2C21066532%2C21066623&oid=3&pvsid=3599319858239156&pem=502&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.tqzp7v6321ed&fsb=1&dtd=231" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="0.tqzp7v6321ed" data-load-complete="true">