Designation
| Name |
The value |
| Designation GOST Cyrillic |
15ГЛ |
| Designation GOST Latin |
15GL |
| Transliteration |
15GL |
| By chemical elements |
15Mn |
Description
15GL steel is used: for the manufacture of ingots for tools.
Note
Steel wear-resistant and heat-resistant martensitic class.
Standards
| Name |
Code |
Standards |
| Steel castings |
В82 |
GOST 977-88 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Si |
Fe |
| GOST 977-88 |
0.12-0.18 |
≤0.04 |
≤0.04 |
0.7-1 |
0.3-0.6 |
Rest |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d |
y, % |
KCU, kJ/m2 |
| Normalization at 900-920 °C + vacation at 550-650 °C, air cooling |
| 100 |
≥235 |
≥413 |
≥22 |
≥35 |
≥373 |
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 |
| d |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
