High-temperature Nickel-based alloy.
The recommended maximum operating temperature for limited time +950 °C.
The temperature of beginning of intensive scaling in air +1080 °C.

Standards

Name	Code	Standards
Name	Code	Standards
Bars and shapes	В32	GOST 23705-79, TU 14-1-223-72, TU 14-1-402-72, TU 14-1-5.9-73, TU 14-11-245-88
Classification, nomenclature and General rules	В30	GOST 5632-72
Blanks. Of the workpiece. Slabs	В31	OST 3-1686-90

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	Al	B	Ti	Mo	W	Ce	Co
Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	Al	B	Ti	Mo	W	Ce	Co
TU 14-1-223-72	≤0.1	≤0.01	≤0.015	≤0.3	8.5-10.5	≤0.6	Rest	≤1.5	≤0.07	5.4-6.2	≤0.02	-	6.5-8	6-7.5	≤0.02	11-13
TU 14-1-402-72	≤0.1	≤0.011	≤0.015	≤0.3	8.5-10.5	≤0.6	Rest	≤1.5	≤0.07	5.4-6.2	≤0.02	-	6.5-8	6-7.5	≤0.02	11-13
GOST 5632-72	≤0.1	≤0.01	≤0.015	≤0.3	8.5-10.5	≤0.6	Rest	≤1.5	≤0.3	5.4-6.2	≤0.02	≤0.2	6.5-8	6-7.5	≤0.02	11-13

Ni is the basis.
According to TU 14-1-223-72 in the alloy, the presence of antimony, tin, bismuth and arsenic is allowed for no more than 1 point of the spectral analysis scale. Boron and cerium are introduced into the metal by calculation and chemical analysis is not determined.

Mechanical properties

Section, mm	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²	HB, MPa
Section, mm	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²	HB, MPa
Bars hot rolled and forged and according to GOST 23705-79, THE 14-1-223-72. Annealing in air 1210-1230 °C (extract 4-6 h) + Aging 925-975 °C (exposure 8 h), air cooling
	≥640	≥4	≥8	-	-
	1080-1280	9-15	11-16	196-490	302-363
	540-590	3-8	5-12	392-588	-
	640-780	4-16	8-20	392-588	-

Description mechanical marks

Name	Description
Name	Description
σ_U	Limit short-term strength
d₅	Elongation after rupture
y	The relative narrowing
KCU	Toughness
HB	Brinell hardness number

Physical characteristics

Temperature	Е, HPa	r, kg/m³	l, W/(m · °C)	a, 10^-6 1/°C
Temperature	Е, HPa	r, kg/m³	l, W/(m · °C)	a, 10^-6 1/°C
20	210	8450	-	-
500	188	-	159	134
600	183	-	184	136
700	176	-	209	141
800	169	-	234	148
100	-	-	88	118
200	-	-	105	122
300	-	-	118	127
400	-	-	138	131
900	-	-	259	157
1000	-	-	-	170

A description of the physical symbols

Name	Description
Name	Description
Е	The normal elasticity modulus
l	Coefficient of thermal conductivity
R	UD. the resistivity

Alloy KHN56VMKJU (EP109)

Designation

Description

Note