Designation
Name |
The value |
Designation GOST Cyrillic |
38Х2Ю |
Designation GOST Latin |
38X2Ju |
Transliteration |
38H2Yu |
By chemical elements |
38Cr2Al |
Name |
The value |
Designation GOST Cyrillic |
38Х2ЮА |
Designation GOST Latin |
38X2JuA |
Transliteration |
38H2YuA |
By chemical elements |
38Cr2Al |
Description
38Х2Ю steel is used: for the manufacture of friction parts of appliances, parts, auxiliary components of machines and devices.
Mechanical properties
Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
Rolled steel. Quenching in water from 930°C to + Leave at 630°C, cooling in water |
≤30 |
≥735 |
≥880 |
≥10 |
≥45 |
≥780 |
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 |
Weldability |
Steel is not used for welded structures. |
Склонность к отпускной хрупкости |
Inclined. |
Flock-sensitive sensitivity |
not sensitive. |