Steel 45Г15Н9Х2ЮФ (ЭП769)

Designation

Name The value
Designation GOST Cyrillic 45Г15Н9Х2ЮФ
Designation GOST Latin 45G15H9X2JuF
Transliteration 45G15N9H2YuF
By chemical elements 45Mn15Н9Cr2AlV
Name The value
Designation GOST Cyrillic ЭП769
Designation GOST Latin EP769
Transliteration EhP769
By chemical elements -

Description

45Г15Н9Х2ЮФ steel is used: for the manufacture of a variety of highly wear-resistant parts of equipment is heavy and power engineering.

Note

Vysokoorganizovannaja steel.

Standards

Name Code Standards
Bars and shapes В32 TU 14-1-4833-90

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al V
TU 14-1-4833-90 0.37-0.45 ≤0.015 ≤0.02 14-16 1-3 ≤0.6 8-10 Rest 0.5-1 0.9-1.5
Fe is the basis.
According to TU 14-1-4833-90 the chemical composition is given for steel grade 45G15N9X2YuF-III (EP769-Ш). In the finished metal, deviations in chemical composition are allowed: for carbon ± 0.020%, for silicon +0.10%, for sulfur and phosphorus +0.0050% for each, for aluminum, chromium, vanadium ± 0.10% for each, for manganese and nickel ± 0.50% each.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2
Bars on the other 14-1-4833-90. The longitudinal samples. Quenching in water from 1130-1150 °C + Vacation at 640-660 °C (extract 8-10 hours), air cooling
20-25 ≥785 ≥980 ≥10 ≥35 ≥490

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
KCU Toughness

Technological properties

Name The value
Macrostructure and pollution Macrostructure of steel to transverse the etched templeto but should be visible without using the magnifying devices of the residues shrinkage, bubbles, cracks and foreign metal and non-metallic inclusions.
Particularities of production of goods Bars on the other 14-1-4833-90 are supplied without heat treatment.