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 sT|s0,2, MPa σU, 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
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU 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.