12H12M1BFR-W (EP450-Sh, 12H12M1BFR, EP450)

For the production of high-quality thin-walled tubes for nuclear power plants

Classification

Country Section Category
CIS, Russia, Ukraine Corrosion-resistant alloys and steels Corrosion-resistant heat-resistant steel

Chemical composition

Standard Fe, % Si, % B, % Mn, % Cr, % Ni, % V, % P, % C, % S, % Nb, % Mo, %
TU 14-3-1511 - 87 81.65–86.35 < 0.6 0.004 < 0.6 12–14 < 0.3 0.1–0.3 < 0.03 0.1–0.15 < 0.02 0.25–0.55 1.2–1.8

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ d5, % Treatment
Pipe billet TU 14-1-3820-84 640 490 12 Hardening and tempering

Standards

Standard Description
TU 14-3-1511 - 87

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Cr % Chrome
Ni % Nickel
V % Vanadium
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
Mo % Molybdenum

Description of mechanical properties

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