12G2FD-1

Production of high-strength rolled steel and increased resistance to atmospheric corrosion used in general-purpose structures with welded, riveted and bolted joints. Steel is not recommended for the manufacture of products subjected to heat treatment by the customer.

Production of high-strength rolled steel and increased resistance to atmospheric corrosion used in general-purpose structures with welded, riveted and bolted joints Steel is not recommended for the manufacture of products subjected to heat treatment by the customer.

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 19281-2014 97.1–97.6 0.17–0.37 < 1.7 < 0.3 0.15–0.3 < 0.3 0.02–0.1 < 0.08 < 0.03 0.09–0.15 < 0.035 < 0.008

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Grade GOST 19281-2014 < 250 430 265 21

Standards

Standard Description
GOST 19281-2014 GOST

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
d5 % Elongation at break
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength