E109
MPa
α106
K1
ϰ
WmK
ρ
kgm3
σU
MPa
σP
MPa
ϵL
ψ
KCU103
Jm2

HN56VMKYU (EP109)

Turbine blades

Gas turbine blades and other components to operate under load at temperatures up to 950 ° 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 < 1.5 < 0.6 < 0.02 < 0.3 11–13 8.5–10.5 52.234–62.6 5.4–6.2 < 0.02 < 0.015 < 0.1 < 0.011 6.5–8 6–7.5

Information on suppliers

Physical characteristics

Temperature, °C E\cdot 10^{9}E109, MPaMPa \alpha\cdot 10^{6}α106, K^{-1}K1 \varkappaϰ, \frac{W}{m\cdot K}WmK \rhoρ, \frac{kg}{m^3}kgm3
20 210 8450
100 11.8 8.8
200 12.2 10.5
300 12.7 11.8
400 13.1 13.8
500 188 13.4 15.9
600 183 13.6 18.4
700 176 14.1 20.9
800 169 14.8 23.4
900 15.7 25.9
1000 17

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}σU, MPaMPa \sigma_{P}σP, MPaMPa \epsilon_LϵL, % \psiψ, % KCU\cdot 10^{3}KCU103, \frac{J}{m^2}Jm2 Treatment
Rod GOST 23705 - 79 1080–1280 750 9–15 11–16 196–490 Heat 1220 ° C, 4-6 hours, air cooling, Aging 950 ° C, 8 hours, air cooling

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Rod GOST 23705 - 79 Hardening, aging 302–363

Standards

Standard Description
GOST 5632-72
TU 14-1-223-72
GOST 5632-14
GOST 23705 - 79
TU 14-1-402-72

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
E\cdot 10^{9}E109 MPaMPa Elastic modulus
\alpha\cdot 10^{6}α106 K^{-1}K1 Coefficient of thermal (linear) expansion (range 20°C–T)
\varkappaϰ \frac{W}{m\cdot K}WmK Coefficient of thermal conductivity (the heat capacity of the material)
\rhoρ \frac{kg}{m^3}kgm3 The density of the material

Description of mechanical properties

Parameter Units of measurement Description
\sigma _{U}σU MPaMPa Ultimate tensile strength
\sigma_{P}σP MPaMPa Proportionality limit
\epsilon_LϵL % Elongation at break (longitudinal)
\psiψ % Reduction in cross section on fracture
KCU\cdot 10^{3}KCU103 \frac{J}{m^2}Jm2 Impact toughness