HN55VMTKYU (EI929)

Turbine blades.

Turbine blades and other items for use at temperatures up to 950 ° C.

Classification

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

Chemical composition

Standard	Si, %	B, %	Mn, %	Co, %	Cr, %	Ti, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Mo, %	W, %
Standard	Si, %	B, %	Mn, %	Co, %	Cr, %	Ti, %	Ni, %	V, %	Al, %	P, %	C, %	S, %	Mo, %	W, %
GOST 5632-72	< 0.5	< 0.02	< 0.5	12–16	9–12	1.4–2	51.055–65.26	0.2–0.8	3.6–4.5	< 0.015	0.04–0.1	< 0.01	4–6	4.5–6.5

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Physical characteristics

Temperature, °C	$\alpha\cdot 10^{6}$ , $K^{-1}$
Temperature, °C	$\alpha\cdot 10^{6}$ , $K^{-1}$
100	10.8
200	11.7
300	12.4
400	12.8
500	13.4
600	13.8
700	14.1
800	14.5
900	15.5

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{P}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Rod	GOST 23705 - 79				980–1180	730–780	8–12	9–15

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Rod	GOST 23705 - 79	Hardening, aging	285–341

Analogues

Germany
Germany
G-NiCo 15 Cr 10 AlTiMo

Standards

Standard	Description
Standard	Description
GOST 5632-72
TU 14-1-223-72
GOST 23705 - 79
GOST 5632-14
TU 108.02.003-76
TU 108.02.006-84
TU 108.17.137-84
TU 14-1-2970-80
TU 14-1-402-72

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Si	%	Silicon
B	%	Bor
Mn	%	Manganese
Co	%	Cobalt
Cr	%	Chrome
Ti	%	Titan
Ni	%	Nickel
V	%	Vanadium
Al	%	Aluminium
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum
W	%	Tungsten

Description of physical characteristics

Parameter	Units of measurement	Description
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
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