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 |
