GB/T 4309-1984
AbolishedClassification and designation for powder metallurgy materials
粉末冶金材料分类和牌号表示方法
Application Summary AI generated
This standard establishes a classification system and designation method for powder metallurgy materials, including structural parts, friction materials, and magnetic materials. It is applied in the Chinese manufacturing industry for material selection, procurement, and quality control in sectors such as automotive, aerospace, and machinery. The standard ensures consistent identification and communication of material properties across production and testing contexts.
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