Designation
| Name |
The value |
| Designation GOST Cyrillic |
22С |
| Designation GOST Latin |
22C |
| Transliteration |
22S |
| By chemical elements |
22С |
Description
Steel 22S used: for the manufacture of reinforcing steel class At800, designed for conventional reinforcement and prestressed concrete structures.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В22 |
GOST 10884-94 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Si |
Fe |
As |
Al |
Ti |
| GOST 10884-94 |
0.17-0.25 |
≤0.035 |
≤0.04 |
0.6-0.9 |
0.9-1.2 |
Rest |
≤0.08 |
≤0.1 |
≤0.05 |
Fe is the basis.
In accordance with GOST 10884-94 in steel, intended for the production of reinforcing steel of At800 class, the mass fraction of sulfur and phosphorus can be increased to 0.045%.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
| Reinforcing steel in the delivery state according to GOST 10884-94 (the Holy column of the delivery condition specified strength grade and temperature of electrical heating) |
| 10-32 |
≥800 |
≥1000 |
≥8 |
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 |
Technological properties
| Name |
The value |
| Weldability |
Welded without any restrictions. |
