Designation
Name |
The value |
Designation GOST Cyrillic |
80С |
Designation GOST Latin |
80C |
Transliteration |
80S |
By chemical elements |
80С |
Description
80S steel is used: for the manufacture of reinforcement class A-IV, designed for conventional reinforcement and prestressed concrete structures.
Standards
Name |
Code |
Standards |
Bars and shapes |
В22 |
GOST 5781-82, TU 14-2-949-91, TU 14-1-5254-94 |
Bars and shapes |
В32 |
TU 14-11-245-88 |
Chemical composition
Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Ti |
GOST 5781-82 |
0.74-0.82 |
≤0.045 |
≤0.04 |
0.5-0.9 |
≤0.3 |
0.6-1.1 |
≤0.3 |
Rest |
≤0.3 |
0.015-0.04 |
Fe is the basis.
Mechanical properties
Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
Without heat treatment - as supplied |
10-18 |
600 |
900 |
6 |
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 |
without restrictions |