Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Structural steel |
Low alloy structural steel for welded structures |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Cu, % |
Ni, % |
V, % |
As, % |
P, % |
C, % |
S, % |
N, % |
|---|
| GOST 19281-89 |
96.715–98.385 |
< 0.17 |
1.2–1.6 |
< 0.3 |
0.2–0.4 |
< 0.3 |
0.08–0.15 |
< 0.08 |
< 0.035 |
0.12–0.18 |
< 0.04 |
0.015–0.03 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{P}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Sheet |
GOST 19281-2014 |
< 50 |
|
|
550 |
400 |
19 |
|
Analogues
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| V |
% |
Vanadium |
| As |
% |
Arsenic |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| N |
% |
Nitrogen |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\sigma_{P}$$ |
$$MPa$$ |
Proportionality limit |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |