Technical requirements for casting aluminum alloy ingots
(1) The surface of the alloy ingot should be clean, free of oil, elemental corrosion, non-slag and non-metallic inclusions.
(2) The fracture structure of the alloy ingot should be dense without serious segregation, shrinkage, slag and non-metallic inclusions.
(3) For high-purity alloy chains and alloy ingots with special quality requirements, the gas content can be determined as needed and subjected to low magnification.
(4) The difference in weight of each alloy ingot should be within 10%.
(5) Ingot stamping lot number (or furnace number) and alloy ingot number are applied to each alloy ingot.
(6) The alloy ingot should be packed according to the heat number.
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