12GSB

Production of electric welded longitudinal pipes of strength group K52 for main gas pipelines, oil pipelines and oil product pipelines.

Classification

Country Section Category
CIS, Russia, Ukraine Structural steel Low alloy structural steel for welded structures

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ti, % Cu, % Ni, % Al, % P, % C, % S, % Nb, % N, %
TU 14-3-1573-96 97.5–98.1 0.25–0.5 1.1–1.6 < 0.3 0.005–0.02 < 0.3 < 0.3 0.01–0.06 < 0.025 0.1–0.14 < 0.02 < 0.03 < 0.012

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Trumpet TU 14-3-1573-96 510 350 20

Standards

Standard Description
TU 14-3-1573-96 TU

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ti % Titan
Cu % Copper
Ni % Nickel
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
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