15H5VF (H5VF)

Shells and internal components aids refineries and cracking pipes, pump components and other parts, long operating at temperatures up to 600 ° C.

Classification

Country Section Category
CIS, Russia, Ukraine Heat resistant steels and alloys Heat resistant low alloy steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % V, % P, % C, % S, % W, %
GOST 20072-74 90.795–94.4 0.3–0.6 < 0.5 4.5–6 < 0.6 0.4–0.6 < 0.03 < 0.15 < 0.025 0.4–0.7

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ Treatment
Pipes are hot deformed. GOST 550-75 392 216 22 50 1180
Rod GOST 20072-74 390 215 22 50 1180 Annealing 840-860 ° C, the furnace

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Pipes are hot deformed. GOST 550-75 1700

Standards

Standard Description
GOST 20072-74

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness