Designation
| Name |
The value |
| Designation GOST Cyrillic |
27ГС |
| Designation GOST Latin |
27GC |
| Transliteration |
27GS |
| By chemical elements |
27MnС |
Description
27ГС steel is used: for the manufacture of reinforcement steel classes At600, At600c, At600k, designed for conventional reinforcement and prestressed concrete structures.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В22 |
GOST 10884-94, TU 14-2-949-91 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
As |
| TU 14-2-949-91 |
0.24-0.3 |
≤0.045 |
≤0.045 |
0.9-1.3 |
≤0.3 |
1-1.5 |
≤0.3 |
Rest |
≤0.3 |
- |
| GOST 10884-94 |
0.24-0.3 |
≤0.045 |
≤0.045 |
0.9-1.3 |
≤0.3 |
1-1.5 |
≤0.3 |
Rest |
≤0.3 |
≤0.08 |
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) |
| 10-40 |
≥600 |
≥800 |
≥12 |
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. |
