Steel 03Н19К6М5ТР (ЭП631)

Designation

Name The value
Designation GOST Cyrillic 03Н19К6М5ТР
Designation GOST Latin 03H19K6M5TP
Transliteration 03N19K6M5TR
By chemical elements 03Н19Co6Mo5TiB
Name The value
Designation GOST Cyrillic ЭП631
Designation GOST Latin EP631
Transliteration EhP631
By chemical elements -

Description

03Н19К6М5ТР steel is used: for the manufacture of parts, gears, fasteners, special purpose, wheels; parts of the rotors; parts of power machinery.

Note

Partenitskaya steel.

Standards

Name Code Standards
Processing of metals by pressure. Forgings В03 TU 14-1-1331-74
Bars and shapes В32 TU 14-1-1368-74

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al V B Ti Mo Nb Zr Co
TU 14-1-1331-74 ≤0.03 ≤0.01 ≤0.01 ≤0.3 ≤0.15 ≤0.1 18-19 Rest 0.1-0.25 0.05-0.25 ≤0.008 0.3-0.9 5.1-6.1 0.05-0.15 0.02-0.15 5.8-7
Fe is the basis.
According to TU 14-1-1331-74, the chemical composition is given for steel grade 03Н19К6М5ТР-ВД (ЭП631-ВД).