Steel 80S

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