Alloy KHN80TBJU (ЭИ607; ХН80Т1БЮ (ЭИ607А))

Designation

Name	The value
Designation GOST Cyrillic	ХН80ТБЮ
Designation GOST Latin	XH80TBJu
Transliteration	HN80TBYu
By chemical elements	CrNi80TeBeAl

Name	The value
Designation GOST Cyrillic	ЭИ607
Designation GOST Latin	EI607
Transliteration	EhI607
By chemical elements	-

Name	The value
Designation GOST Cyrillic	ХН80Т1БЮ (ЭИ607А)
Designation GOST Latin	XH80T1BJu (EI607A)
Transliteration	HN80T1BYu EhI607A
By chemical elements	CrNi80Te1BeAl (ЭIr607Al)

Description

Alloy KHN80TBJU used: for the manufacture of blades and fasteners turbines operating at temperatures up to +700 °C.

Note

The heat resisting alloy on Nickel basis.
The recommended maximum operating temperature for a very long time +700 °C. the Temperature of beginning of intensive scaling in air +1050 °C.

Standards

Name	Code	Standards
Classification, nomenclature and General rules	В30	GOST 5632-72
Blanks. Of the workpiece. Slabs	В31	OST 3-1686-90
Thermal and thermochemical treatment of metals	В04	ST ЦКБА 016-2005
Bars and shapes	В32	TU 14-1-1358-74, TU 14-1-3728-84, TU 14-11-245-88
Processing of metals by pressure. Forgings	В03	TU 14-1-3674-83

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	Al	Ti	Mo	Nb
GOST 5632-72	≤0.08	≤0.012	≤0.015	≤1	15-18	≤0.8	Rest	≤3	≤0.3	0.5-1	1.8-2.3	≤0.3	1-1.5

Ni is the basis.
According to GOST 5632-72 the chemical composition is given for the alloy grade KhN80T1BYu (EI607A).

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²	HB, MPa
Blank pieces of pipe fittings and welded assemblies at ST CKBA 016-2005. Quenching in water with 1090-1110 °C (exposure 6 h) + Triple speed aging: Aging at 990-1010 °C (exposure 2 hours), cooled with furnace + Aging at 890-910 °C (aging for 1 h), cooling with the furnace + Aging at 790-810 °C (exposure 2 hours), air cooling + Ageing at 730-770 °C (20 h exposure), air cooling
≤55	≥441	≥833	≥18	≥18	≥588	207-241
Rod. Annealing in air from 1100 °C (maintained for 5 h) + step-Aging: 1000 °C (exposure 2 hours), cooled with the furnace to 900 °C, exposure for 1 h, cooling with the furnace to 800 °C, exposure 2 h, air cooling + Ageing at 750 °C (20 h exposure), air cooling + Ageing at 650 °C (extract 48 h), cooling air (indicated by temperature and duration of heat exposure)
-	≥770	≥1180	≥22	≥29	-	-
-	≥690	≥1050	≥21	≥31	-	-
A sample with a diameter of 6 mm, length 30 mm, extruded tempered and aged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
-	-	≥570	-	≥97	-	-
Rod. Annealing in air from 1100 °C (for longitudinal samples)
≤30	≥650	≥950	≥18	≥22	≥687	-
Rod. Annealing in air from 1100 °C (maintained for 5 h) + step-Aging: 1000 °C (exposure 2 hours), cooled with the furnace to 900 °C, exposure for 1 h, cooling with the furnace to 800 °C, exposure 2 h, air cooling + Ageing at 750 °C (20 h exposure), air cooling + Ageing at 650 °C (extract 48 h), cooling air (indicated by temperature and duration of heat exposure)
-	≥800	≥1200	≥19	≥23	-	-
-	≥560	≥850	≥5	≥13	-	-
A sample with a diameter of 6 mm, length 30 mm, extruded tempered and aged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
-	-	≥410	≥77	≥96	-	-
Rod. Annealing in air from 1100 °C (maintained for 5 h) + step-Aging: 1000 °C (exposure 2 hours), cooled with the furnace to 900 °C, exposure for 1 h, cooling with the furnace to 800 °C, exposure 2 h, air cooling + Ageing at 750 °C (20 h exposure), air cooling + Ageing at 650 °C (extract 48 h), cooling air (indicated by temperature and duration of heat exposure)
-	≥440	≥920	≥33	≥42	-	-
-	≥360	≥590	≥16	≥18	-	-
A sample with a diameter of 6 mm, length 30 mm, extruded tempered and aged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
-	-	≥295	≥78	≥96	-	-
Rod. Annealing in air from 1100 °C (maintained for 5 h) + step-Aging: 1000 °C (exposure 2 hours), cooled with the furnace to 900 °C, exposure for 1 h, cooling with the furnace to 800 °C, exposure 2 h, air cooling + Ageing at 750 °C (20 h exposure), air cooling + Ageing at 650 °C (extract 48 h), cooling air (indicated by temperature and duration of heat exposure)
-	≥440	≥920	≥24	≥32	-	-
-	≥320	≥570	≥16	≥20	-	-
A sample with a diameter of 6 mm, length 30 mm, extruded tempered and aged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
-	-	≥165	≥84	≥98	-	-
Rod. Annealing in air from 1100 °C (maintained for 5 h) + step-Aging: 1000 °C (exposure 2 hours), cooled with the furnace to 900 °C, exposure for 1 h, cooling with the furnace to 800 °C, exposure 2 h, air cooling + Ageing at 750 °C (20 h exposure), air cooling + Ageing at 650 °C (extract 48 h), cooling air (indicated by temperature and duration of heat exposure)
-	≥640	≥930	≥18	≥22	-	217-255
A sample with a diameter of 6 mm, length 30 mm, extruded tempered and aged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
-	-	≥120	≥100	≥100	-	-
Rod. Annealing in air from 1100 °C (maintained for 5 h) + step-Aging: 1000 °C (exposure 2 hours), cooled with the furnace to 900 °C, exposure for 1 h, cooling with the furnace to 800 °C, exposure 2 h, air cooling
-	≥640	≥1030	24-30	28-35	≥961	-
-	≥600	≥980	≥26	≥26	-	-
-	≥590	≥810	≥11	≥14	-	-
-	≥540	690-730	7-12	10-15	-	-
-	≥490	≥670	≥7	≥6	-	-

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
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)	R, Mr. · m	a, 10^-6 1/°C
0	220	8300	-	-	-
20	224	8300	-	-	-
100	217	-	13	1170	133
200	211	-	16	1180	135
300	206	8210	18	1190	138
400	200	8170	20	1200	142
500	193	8130	22	1220	145
600	184	8090	24	1230	149
700	174	8040	26	1240	155
800	168	7990	29	-	162
1000	-	-	-	-	167
1200	-	-	-	-	172

A description of the physical symbols

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

Technological properties

Name	The value
Weldability	Difficult weldability. The welding process - SMAW. The welding in the hardened state. Welded Assembly shall be subjected to aging.
The temperature of forging	Start - 1180 °C, the end of - 900 °C. air Cooling.
Machinability	In heat treated condition with HB 165 and blower SB=730 MPa Kn TV.SPL.=0,20 Kn b.St.=0,15.