20-PV (20pv)

For the production of seamless cold, teplodeformirovannyh, hot-including hot-pressed and hot-reduced pipes for steam boilers and piping systems with high and supercritical steam parameters

Classification

Country Section Category
CIS, Russia, Ukraine Structural steel Carbonaceous quality structural steel

Chemical composition

Standard Si, % Mn, % Cr, % Cu, % Ni, % P, % C, % S, %
TU 14-3Р-55 - 2001 0.17–0.37 0.35–0.65 < 0.15 < 0.15 < 0.15 < 0.015 0.18–0.24 < 0.015

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ d5, % Treatment
Trumpet TU 14-3Р-55 - 2001 412–549 216 45 490 24
Trumpet TU 14-3Р-55 - 2001 412–549 216 40 390 22

Analogues

Standards

Standard Description
TU 14-3Р-55 - 2001

Description of chemical elements

Element Units of measurement Description
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
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
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness