HN62MVKYU (EI867, HN62VMKYU)

Blades, turbine wheels.

blades, turbine disks operating at temperatures up to 900 ° C.

Classification

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

Chemical composition

Standard Fe, % Si, % B, % Mn, % Co, % Cr, % Ni, % Al, % Ce, % P, % C, % S, % Mo, % W, %
GOST 5632-72 < 4 < 0.6 < 0.02 < 0.3 4–6 8.5–10.5 56.034–70 4.2–4.9 < 0.02 < 0.015 < 0.1 < 0.011 9–11.5 4.3–6

Information on suppliers

Physical characteristics

Temperature, °C \alpha\cdot 10^{6}, K^{-1}
100 11.5
200 12.6
300 13
400 13.4
500 13.7
600 14
700 14.3
800 14.7
900 15.6
1000 16.9

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
Rod GOST 23705 - 79 980–1220 760–860 8–24 11–28 147–490 Quenching and aging

Standards

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Co % Cobalt
Cr % Chrome
Ni % Nickel
Al % Aluminium
Ce % Cerium
P % Phosphorus
C % Carbon
S % Sulfur
Mo % Molybdenum
W % Tungsten

Description of physical characteristics

Parameter Units of measurement Description
\alpha\cdot 10^{6} K^{-1} Coefficient of thermal (linear) expansion (range 20°C–T)

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