铸造镁合金化学成份ASTM B 93/B 93MAM50AAM60BAZ91DAZ63AISO 16220:2000AgAl9Znl(A)MgAl6MnMgAl5Mn EN 1753:1997MB 21220EN-MB21230EN-MB21220 Al%4.5-5.35.6-6.48.5-9.55.5-6.5Mn%0.28-0.500.26-0.500.17-0.400.15-0.35Cu%0.008 max0.008 max0.0025max0.015maxFe%0.004 max0.004 max0.004 max0.005 maxSi%0.05 max0.05 max0.05 max0.05 maxZn%0.20 max0.20 max0.45-0.902.7-3.3Ni%0.001 max0.001 max0.001 max0.001 maxOthers each%0.01 max0.01 max0.01 max------Others each%------------------0.30 maxMgBalanceBalanceBalanceBalance1、在满足ASTM等标准的基本要求外，可以根据特殊需求控制成分与产品规格。2、其它铸造镁合金：AM20，AE44等。