加工青铜的牌号及化学成分.doc

加工青铜的牌号及化学成分(摘自GB/T52331985)(表一)类别牌号元素化学成分(质量分数)(%)Sn(锡)Al(铝)Zn(锌)Mn(锰)Fe(铁)Pb(铅)Sb(锑)Bi(铋)Si(硅)P(磷)Cu(铜)杂质总和锡青铜QSn4-3minmax3.54.50.0022.73.30.050.020.0020.0020.0020.03余量0.2QSn4-4-2.5minmax3.05.00.0023.05.00.051.53.50.0020.0020.03余量0.2QSn4-4-4minmax3.05.00.0023.05.00.053.54.50.0020.0020.03余量0.2QSn6.5-0.1minmax6.07.00.0020.050.020.0020.0020.0020.100.25余量0.1QSn6.5-0.4minmax6.07.00.0020.020.020.0020.0020.0020.260.40余量0.1QSn7-0.2minmax6.08.00.010.050.020.0020.0020.020.100.25余量0.15QSn4-0.3minmax3.54.50.0020.020.020.0020.0020.0020.200.40余量0.1铝青铜QAl5minmax0.14.06.00.50.50.50.030.10.01余量1.6QAl7minmax0.16.08.00.50.50.50.030.10.01余量1.6QAl9-2minmax0.18.010.01.01.52.50.50.030.10.01余量1.7QAl9-4minmax0.18.010.01.00.52.04.00.010.10.01余量1.7QAl10-3-1.5minmax0.18.510.00.51.02.02.04.00.030.10.01余量0.75表2类别牌号元素化学成分(质量分数)(%)Sn(锡)Al(铝)Zn(锌)Mn(锰)Fe(铁)Pb(铅)Sb(锑)Si(硅)Ni(镍)Ti(钛)Mg(镁)Be(铍)P(磷)As(砷)Cu(铜)杂质总和铝青铜QAl10-4-4minmax0.19.511.00.50.33.55.50.020.13.55.50.01余量1.0QAl11-6-6minmax0.210.011.50.60.55.06.50.050.25.06.50.1余量1.5QAl9-5-1-1minmax0.18.010.00.30.51.50.51.50.010.0020.14.06.00.010.01余量0.6QAl10-5-5minmax0.208.011.00.50.52.54.06.00.050.254.06.00.10余量1.2铍青铜QBe2minmax0.150.150.0050.150.20.41.802.1余量0.5QBe1.9minmax0.150.150.0050.150.20.40.100.251.852.1余量0.5QBe1.9-0.1minmax0.150.150.0050.150.20.40.100.250.070.131.852.1余量0.5QBe1.7minmax0.150.150.0050.150.20.40.100.251.61.85余量0.5硅青铜QSi3-1minmax0.250.51.01.50.30.032.73.50.2余量1.1QSi1-3minmax0.10.020.20.10.40.10.150.61.12.43.4余量0.5QSi3.5-3-1.5minmax0.252.53.50.50.91.21.80.030.0023.04.00.20.030.002余量1.1表3类别牌号元素化学成分(质量分数)(%)Sn(锡)Al(铝)Zn(锌)Mn(锰)Fe(铁)Pb(铅)Sb(锑)Bi(铋)Si(硅)Ni(镍)S(硫)Mg(镁)Cr(铬)Zr(锆)As(砷)Cd(镉)P(磷)Cu(铜)杂质总和锰青铜QMn1.5minmax0.050.071.201.800.10.010.0050.0020.10.10.0010.1余量0.3QMn2minmax0.050.071.52.50.10.010.050.0020.10.01余量0.5QMn5minmax0.10.44.55.50.350.030.0020.10.01余量0.9锆青铜QZr0.2minmax0.050.050.010.0050.0020.20.010.150.30余量0.5QZr0.4minmax0.050.050.010.0050.0020.20.010.300.50余量0.5铬青铜QCr0.5minmax0.10.050.41.1余量0.5QCr0.5-0.2-0.1minmax0.10.250.10.250.41.0余量0.5QCr0.6-0.4-0.05minmax0.050.050.040.080.40.80.30.60.01余量0.5镉青铜QC