Steel 40KHGTR

Designation

Name The value
Designation GOST Cyrillic 40ХГТР
Designation GOST Latin 40XGTP
Transliteration 40HGTR
By chemical elements 40CrMnTiB

Description

40KHGTR steel is used: for the manufacture of shafts, fist, stars, axes, levers, operating in conditions of friction and high loads in automotive and agricultural engineering.

Note

Structural steel quality chromatorgraphy.

Standards

Name Code Standards
Bars and shapes В32 GOST 4543-71, GOST 14955-77, TU 14-1-2118-77, TU 14-1-704-72, TU 14-11-245-88, TU 14-136-367-2008
Bars and shapes В22 GOST 8319.0-75
Blanks. Of the workpiece. Slabs В31 OST 3-1686-90, TU 14-1-4944-90

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, %
Rolled steel. Quenching in oil from 840 °C to + Vacation at 550 °C, cooling in water
25 ≥800 ≥990 ≥11 ≥45

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