Steel AS45G2
Designation
| Name |
The value |
| Designation GOST Cyrillic |
АС45Г2 |
| Designation GOST Latin |
AC45G2 |
| Transliteration |
AS45G2 |
| The chemical elements |
- |
Description
AS45G2 steel is used: for the manufacture of cylinders oil pumps in the automotive industry.
Note
Serotonergically lead-containing steel of high machinability.
Standards
| Name |
Code |
Standards |
| Sectional and shaped rolling |
В32 |
GOST 1414-75, GOST 14955-77 |
| Bulls. Blanks. Slabs |
В31 |
TU 14-1-1515-75, TU 14-1-271-72 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Pb |
| GOST 1414-75 |
0.4-0.48 |
0.24-0.35 |
≤0.04 |
1.35-1.65 |
≤0.25 |
≤0.15 |
≤0.25 |
The rest |
≤0.25 |
0.15-0.35 |
Fe is the basis.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
Brinell hardness number, MPa |
| Rolled calibrated. Normalizing or Normalizing + Vacation |
|
≥440 |
≥640 |
≥6 |
≤255 |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
