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¹úÄÚ¹èÌú±ê×¼£¨GB2277-87£©¹Ø¼ü×Ö£º ¹úÄÚ¹èÌú±ê×¼£¨GB2277-87£©ÅƺŠ»¯Ñ§³É·Ö% Si Al Ca Mn Cr P S C ·¶Î§ ²»´óÓÚ FeSi90Al1.5 87.0-95.0 1.50.50.40.20.040.020.2FeSi90Al3 87.0-95.0 30.50.40.20.040.020.2FeSi75Al10.5-A 74.0-80.0 0.510.40.30.0350.020.1FeSi75Al10.5-B 72.0-80.0 0.510.50.50.040.020.2FeSi75Al1.0-A 74.0-80.0 110.40.30.0350.020.1FeSi75Al1.0-B 72.0-80.0 1.510.50.50.040.020.2FeSi75Al1.5-A 74.0-80.0 1.510.40.30.0350.020.1FeSi75 Al1.5-B 72.0-80.0 1.510.50.50.040.020.2FeSi75 Al12.0-A 74.0-80.0 210.40.30.0350.020.1FeSi75 Al12.0-B 74.0-80.0 210.40.30.040.020.1FeSi75 Al12.0-C 72.0-80.0 2- 0.50.50.040.020.2FeSi75-A 74.0-80.0 - - 0.40.30.0350.020.1FeSi75-B 74.0-80.0 - - 0.40.30.040.020.1FeSi75-C 72.0-80.0 - - 0.50.50.040.020.2FeSi65 65.0-FeSi45 40.0-47.0 - - 0.70.50.040.02