Steel 10Х12Н22Т3МРУ (ЭП33У)

Designation

Name The value
Designation GOST Cyrillic 10Х12Н22Т3МРУ
Designation GOST Latin 10X12H22T3MPU
Transliteration 10H12N22T3MRU
By chemical elements 10Cr12Н22Ti3MoBC
Name The value
Designation GOST Cyrillic ЭП33У
Designation GOST Latin EP33U
Transliteration EhP33U
By chemical elements -

Description

10Х12Н22Т3МРУ steel is used: for the manufacture of parts for critical applications operating at elevated temperatures short term operation at temperatures up to +700 °C; elements, which are increased requirements for heat resistance.

Note

Steel heat-resistant austenitic class.

Standards

Name Code Standards
Blanks. Of the workpiece. Slabs В31 TU 14-1-1214-75

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al B Ti Mo
TU 14-1-1214-75 ≤0.1 ≤0.01 ≤0.02 ≤0.6 10-12.5 ≤0.6 21-25 Rest ≤0.8 ≤0.006 2.6-3.2 1-1.6
Fe is the basis.
According to TU 14-1-1214-75 the chemical composition is given for steel grade 10Х12Н22Т3МРУ-ВД (ЭП33У-ВД). Boron is introduced into the metal by calculation and chemical analysis is not determined. The acceptable content of residual copper is not more than 0.30%.