Designation
Name |
The value |
Designation GOST Cyrillic |
40ГТЛ |
Designation GOST Latin |
40GTL |
Transliteration |
40GTL |
By chemical elements |
40MnTi |
Description
40GTL steel is used: for the manufacture of castings to various industrial purpose.
Standards
Name |
Code |
Standards |
Steel castings |
В82 |
GOST 977-88 |
Chemical composition
Standard |
C |
S |
P |
Mn |
Si |
Fe |
Ti |
GOST 977-88 |
0.34-0.42 |
≤0.045 |
≤0.045 |
1.2-1.6 |
0.2-0.5 |
Rest |
0.02-0.1 |
Fe is the basis.
Mechanical properties
Section, mm |
sT|s0,2, MPa |
σU, MPa |
d |
y, % |
KCU, kJ/m2 |
Annealing in air 680-880 °C + vacation at 620-660 °C, air cooling |
100 |
≥422 |
≥726 |
≥10 |
≥20 |
≥334 |
Normalization at 870-920 °C + vacation at 620-660 °C, air cooling |
100 |
≥323 |
≥608 |
≥14 |
≥25 |
≥285 |
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 |