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现行 JB/T 7946.3-2017
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铸造铝合金金相 第3部分:铸造铝合金针孔 Metallograph of cast aluminium alloys-Part 3: Cast aluminium alloys pinhole
发布日期: 2017-01-09
实施日期: 2017-07-01
JB/T 7946 的本部分规定了铸造铝合金针孔度的术语和定义、试样的切取和制备、检验方法及结果评定。 本部分适用于评定铸造铝合金的针孔度
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