Designation
| Name |
The value |
| Designation GOST Cyrillic |
АС14 |
| Designation GOST Latin |
AC14 |
| Transliteration |
AS14 |
| By chemical elements |
- |
Description
The AS14 steel is used: for the manufacture of propovednik and superheating pipe installations, high pressure with long life at temperatures up to +700 °C; shaped sections of high precision.
Note
The austenitic steel.
Serotonergically lead-containing steel of high machinability.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
GOST 1414-75, GOST 14955-77, TU 14-1-1069-74, TU 14-1-512-90, TU 14-1-1256-91, TU 14-1-1271-75 |
| Blanks. Of the workpiece. Slabs |
В31 |
TU 14-1-1515-75, TU 14-1-904-74, TU 14-1-878-74 |
| Tape |
В34 |
TU 14-1-258-72 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Pb |
| GOST 1414-75 |
0.1-0.17 |
0.15-0.3 |
≤0.1 |
1-1.3 |
≤0.25 |
≤0.12 |
≤0.25 |
Rest |
≤0.25 |
0.15-0.3 |
| TU 14-1-1271-75 |
0.1-0.17 |
≤0.25 |
≤0.1 |
1-1.3 |
- |
≤0.1 |
- |
Rest |
- |
0.15-0.3 |
Fe is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
HB, MPa |
| The hot rolled, without heat treatment |
|
- |
≥410 |
≥20 |
≤170 |
| Rental of calibrated and full hard without heat treatment |
|
≥390 |
≥490 |
≥10 |
≤207 |
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 |
| HB |
Brinell hardness number |
