Steel 45KH22N4M3 (ЭП48)

Designation

Name The value
Designation GOST Cyrillic 45Х22Н4М3
Designation GOST Latin 45X22H4M3
Transliteration 45H22N4M3
By chemical elements 45Cr22Н4Mo3
Name The value
Designation GOST Cyrillic ЭП48
Designation GOST Latin EP48
Transliteration EhP48
By chemical elements -

Description

45KH22N4M3 steel is used: for the manufacture of valves of automobile engines.

Note

Heat-resistant steel and heat resistant austenitic class.
The recommended maximum operating temperature for a long time +850 °C.
Temperature intense scaling in air +950 °C.

Standards

Name Code Standards
Classification, nomenclature and General rules В30 GOST 5632-72
Blanks. Of the workpiece. Slabs В31 OST 3-1686-90
Bars and shapes В32 TU 14-1-1510-75, TU 14-11-245-88

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
GOST 5632-72 0.4-0.5 ≤0.03 ≤0.035 0.85-1.25 21-23 0.1-1 4-5 Rest ≤0.3 ≤0.2 ≤0.2 2.5-3 ≤0.2
Fe is the basis.