GB/T 4137-2015
AbolishedRare earth ferrosilicon alloy
稀土硅铁合金
Application Summary AI generated
GB/T 4137-2015 specifies the technical requirements, test methods, inspection rules, and packaging for rare earth ferrosilicon alloy. It is applied in the metallurgical industry as an additive for producing nodular cast iron and alloy steel, where it improves mechanical properties and enhances the microstructure of castings. The standard is used by manufacturers and quality inspectors to ensure consistent composition and performance of the alloy in foundry and steelmaking processes.
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