Designation
| Name |
The value |
| Designation GOST Cyrillic |
25С2Р |
| Designation GOST Latin |
25C2P |
| Transliteration |
25S2R |
| By chemical elements |
25С2B |
Description
25S2R steel is used: for the manufacture of reinforcement steel classes At600, At600c, At600k, At800, At800k, At1000 and At1000k, 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 |
Cr |
Si |
Ni |
Fe |
Cu |
As |
B |
Ti |
| GOST 10884-94 |
0.2-0.29 |
≤0.045 |
≤0.045 |
0.5-0.9 |
≤0.3 |
1.2-1.7 |
≤0.3 |
Rest |
≤0.3 |
≤0.008 |
0.001-0.005 |
0.01-0.03 |
Fe is the basis.
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 |
≥1000 |
≥1250 |
≥7 |
| 10-40 |
≥600 |
≥800 |
≥12 |
| 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. |