Steel AS38KHGM
Designation
Name | The value |
---|---|
Designation GOST Cyrillic | АС38ХГМ |
Designation GOST Latin | AC38XGM |
Transliteration | AS38HGM |
By chemical elements | - |
Description
AS38KHGM steel is used: for the manufacture of automotive components (rings of the locking shaft bearing).
Note
Lead-containing alloy steel high machinability.
Standards
Name | Code | Standards |
---|---|---|
Bars and shapes | В32 | GOST 1414-75, GOST 14955-77, TU 14-1-2217-92 |
Blanks. Of the workpiece. Slabs | В31 | TU 14-1-1515-75, TU 14-1-514-73 |
Chemical composition
Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Mo | Pb |
---|---|---|---|---|---|---|---|---|---|---|---|
GOST 1414-75 | 0.34-0.4 | ≤0.03 | ≤0.035 | 0.6-0.9 | 0.8-1.1 | 0.17-0.37 | ≤0.3 | Rest | ≤0.3 | 0.15-0.25 | 0.15-0.3 |
Fe is the basis.
According to GOST 1414-75, the total mass fraction of sulfur and phosphorus should not exceed 0.060%.
According to GOST 1414-75, the total mass fraction of sulfur and phosphorus should not exceed 0.060%.
Mechanical properties
Section, mm | sT|s0,2, MPa | σU, MPa | d5, % | KCU, kJ/m2 |
---|---|---|---|---|
Bars up to 100 mm Quenching in oil with 860-880 °C + Vacation at 580-620 °C, air cooling | ||||
25 | ≥785 | ≥930 | ≥11 | ≥784 |
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 |
KCU | Toughness |