20YUCHA (20YUCH)

for the production of seamless hot gas pipes increased corrosion resistance and cold resistance; for the manufacture of welded vessels gas and petrochemical industries;

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % V, % Al, % Ce, % P, % C, % S, % CED, %
TU 14-162-14 - 96 97.45–99.13 0.17–0.37 0.5–0.65 < 0.25 < 0.25 < 0.25 < 0.05 0.03–0.05 < 0.05 < 0.015 0.17–0.22 < 0.015 < 0.38

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Pipes are hot deformed. TU 14-162-14 - 96 502–627 338–470 25

Analogues

Germany USA
L 360 MB 5L Gr X52

Standards

Standard Description
TU 14-162-14 - 96

Description of chemical elements

Element Units of measurement Description
CED % CED = C + Mn / 6 + (Cr + Mo + V) / 5 + (Ni + Cu) / 15
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
Ni % Nickel
V % Vanadium
Al % Aluminium
Ce % Cerium
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