Steel A11
Designation
| Name |
The value |
| Designation GOST Cyrillic |
А11 |
| Designation GOST Latin |
A11 |
| Transliteration |
A11 |
| The chemical elements |
- |
Description
A11 steel is used: for the manufacture of bolts, nuts, obrabatyval cutting; forks the clutch in automotive industry; chains.
Note
Sulfur carbon steel high machinability.
Standards
| Name |
Code |
Standards |
| Sectional and shaped rolling |
В32 |
GOST 1414-75, GOST 14955-77 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
| GOST 1414-75 |
0.07-0.15 |
0.15-0.25 |
0.06-0.12 |
0.8-1.2 |
≤0.25 |
≤0.1 |
≤0.25 |
The rest |
≤0.25 |
Fe is the basis.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
Brinell hardness number, MPa |
| The hot rolled, without heat treatment |
|
- |
≥410 |
≥22 |
≥34 |
≤160 |
| Rental of calibrated and full hard without heat treatment |
|
≥390 |
≥490 |
≥10 |
- |
≤207 |
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 |
| y |
The relative narrowing |
Technological properties
| Name |
The value |
| Propensity to temper brittleness |
tend not |
| Flock-sensitive sensitivity |
not sensitive |
