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航空部材料和热工艺标准化技术归口单位于1984年4月5～8日,在广西梧州召开了 HZL-205铸造铝合金化学和光谱标准物质鉴定会。冶金部本溪合金厂、机械部上海材料研究所、航空部一一二厂、一三二厂、国一○厂、四二○厂、三二○厂、五一一厂、六○九所、六○二所、六二一所等11个单位的27名代表参加。会议听取了六二一所关于 HZL-205合金化学和光普标准物质研究概况、冶炼工艺、均匀度检查、数理统计和标准物质定值等报告,并进行了现场演算验
Ministry of Aviation materials and thermal technology standardization focal point in 1984 April 5 to 8, held in Wuzhou, Guangxi HZL-205 casting aluminum alloy chemical and spectral reference material identification. Ministry of Metallurgical Benxi alloy plant, the Shanghai Institute of Materials Ministry of Machinery, Ministry of Aviation 112 plants, 132 plants, the State plant ○, 420 plants, 320 plants, 511 plants, 609, Sixty-two, six hundred twenty-one units of 11 units of 27 representatives to attend. The meeting heard 621 a HZL-205 alloy chemistry and Pu general reference materials research overview, smelting process, evenness check, mathematical statistics and standard material value and other reports, and the field performance test