36G2S

for the manufacture of seamless drill pipes and couplings used in Geological core drilling.

Classification

Country Section Category
CIS, Russia, Ukraine Structural steel Alloyed structural steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, %
GOST Р 51245 - 99 96.315–97.78 0.4–0.7 1.5–1.8 < 0.3 < 0.4 < 0.04 0.32–0.4 < 0.045

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Trumpet GOST Р 51245 - 99 686–862 490–755 11–12

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Trumpet GOST Р 51245 - 99 197

Analogues

USA
5D Gr E-75

Standards

Standard Description
GOST Р 51245 - 99

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength