Steel 1311 (Э21)

Designation

Name The value
Designation GOST Cyrillic 1311
Designation GOST Latin 1311
Transliteration 1311
By chemical elements 1311
Name The value
Designation GOST Cyrillic Э21
Designation GOST Latin E21
Transliteration Eh21
By chemical elements -

Description

1311 steel is used: for the manufacture of rolled products, designed for magnetic circuits of electrical machines.

Note

Class 1 — hot-rolled steel is isotropic.
Mass fraction of silicon 1,80−2,80%.
Group 1 — specific losses with magnetic induction of 1.5 T and frequency 50 Hz (R1,5/50).

Standards

Name Code Standards
Classification, nomenclature and General rules В30 GOST 21427.0-75

Chemical composition

Standard Si Fe
GOST 21427.0-75 1.8-2.8 Rest
Fe is the basis.
According to GOST 21427.0-75 the chemical composition of steel is not standardized.