HN67MVTYU (EI202, HN67MVTYU-VD, EP202, EP202-VD)

Blades, body, wheels, leafy parts of turbines, welded products, operating at temperatures up to 800 ° C.

Classification

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

Chemical composition

Standard Fe, % Si, % B, % Mn, % Cr, % Ti, % Ni, % Al, % Ce, % P, % C, % S, % Mo, % W, %
GOST 5632-72 < 4 < 0.6 < 0.01 < 0.5 17–20 2.2–2.8 60.475–71.8 1–1.5 < 0.01 < 0.015 < 0.08 < 0.01 4–5 4–5

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$
100 12
200 12.3
300 13.5
400 13.6
500 13.6
600 14.4
700 14.8
800 15.2
900 16.2

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
Sheet GOST 24982-81 930 550 15–18 Hardening and tempering
Rod GOST 23705 - 79 930 550 18 343 16 Quenching and aging

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Rod GOST 23705 - 79 Hardening, aging 241–341

Standards

Standard Description
GOST 5632-72
GOST 23705 - 79
GOST 24982-81
GOST 5632-14

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Cr % Chrome
Ti % Titan
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
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