GB/T 21220-2007
AbolishedSoft magnetic metallic materials
软磁金属材料
Application Summary AI generated
GB/T 21220-2007 specifies the classification, technical requirements, test methods, and inspection rules for soft magnetic metallic materials, such as iron-nickel alloys and silicon steel. It is applied in the electrical engineering industry for manufacturing transformers, inductors, motors, and magnetic shielding components where high magnetic permeability and low coercivity are required. The standard ensures consistent material performance in power transmission, electronic devices, and electromagnetic compatibility testing.
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