Steel 3421 (Э340)
Designation
Description
3421 steel is used: for the manufacture of rolled products, designed for magnetic circuits of electrical apparatus and appliances.
Note
Class 3 — cold-rolled anisotropic steel with Rebrovo structure.
Mass fraction of silicon 2,80−3,80%.
Group 2 — specific losses with magnetic induction of 1.5 T and frequency of 400 Hz (R1,5/400).
Standards
Chemical composition
Fe is the basis.
According to GOST 21427.0-75 the chemical composition of steel is not standardized.
According to GOST 21427.0-75 the chemical composition of steel is not standardized.