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Alloy ХН73МБТЮ (ЭИ698)

Alloy KhN66VMTYUB (EI698MP; VZH136) Alloy KhN67VMTU (EP202; KhN67MVTU) Alloy KhN65KMVYUB (EP800) Alloy CrN65VMYUTL (EI893L) Alloy KhN65VMTU (EI893) Alloy CrN65VMMBU (EP914; VZH131) Alloy CrN65VBMYu (EP902) Alloy KhN62MVKYu (EI867) Alloy KhN62VMYUT (EP708) Alloy KhN62VMKU (EI867) Alloy KhN62BMKTU (EP742) Alloy CrN62BMVY (EP709) Alloy KhN60MYUVT (EP539) Alloy KhN60MVTU (EP487) Alloy KhN60M (EP367; 06Kh15N60M1) Alloy KhN60KMYUVTB (EC9) Alloy CrN60KMYUBVTF (EP962) Alloy KhN60KVYUMB (EP957) Alloy KhN59VG (EK82) Alloy KhN58MBYUD (EK61) Alloy KhN58MBYu (EK171; VZH159) Alloy KhN58VMKYR (EP238) Alloy KhN57MTVU (EP590) Alloy KhN73MBTU (EI698) Alloy EP539LMU Alloy ChS70 Alloy ChS104 Alloy CNK7 Alloy KhN80TBY (EI607; KhN80T1BY (EI607A)) Alloy KhN80 (EI334) Alloy KhN77TURU (EI437BU) Alloy KhN77TUR (EI437B) Alloy KhN75TBU (EI869) Alloy KhN75VMU (EI827) Alloy CrN75VMFU (EI827) Alloy KhN57MKYUVTBR (EP958) Alloy KhN71MTYUB (EI698P) Alloy KhN70MVU (EI828) Alloy KhN70MVTYUB (EI598) Alloy KhN70VMYUT (EI765) Alloy CrN70VMFTU (EI826) Alloy CrN70VMTUF (EI826; CrN70VMTUF) Alloy KhN70VMTU (EI617) Alloy KhN70 (EI442) Alloy KhN68VMTYUK (EP693) Alloy KhN67MBYu (EP782) Alloy VZHL12E Alloy ZhS6KP Alloy ZhS30 Alloy ZhS3 Alloy ZhS16 Alloy BC9L Alloy BC4LM Alloy BC4L Alloy VZHL2 Alloy VZhL18 Alloy VZHL16 Alloy VZHL14H (VZHL14) Alloy ZhS6U Alloy VZHL12U Alloy VZhL1 Alloy 67H26M (EI639; NIMO-25) Alloy 58NHVKTBU (EP877; ХН58VCBTU) Alloy 50H6MFA Alloy 50H3CU (EP967) Alloy 3MI3U Alloy 10X20H77TU Alloy 03Х20Н45М4БЧ (ChS42) Alloy 03X20H45M4BRZ (ChS43) Alloy KhN52KVMTYUB (EP975P) Alloy KhN56MBYUD (EK62) Alloy KhN56VMTU (EP199; VZh101) Alloy KhN56VMKU (EP109) Alloy KhN55MVU (EP454) Alloy KhN55MVTs (ChS57) Alloy KhN55MBYu (KhN63M9B2u; EP666) Alloy KhN55VMTFKU (EI929) Alloy KhN55VMTKU (EI929) Alloy KhN54KVMTYUB (EP962P) Alloy KhN53KVMTYUB (EP741P) Alloy KhN57VKYUTMBL (ZhS6) Alloy KhN51MTYUKFR (EP220) Alloy KhN51KVMTYUB (EP741NP) Alloy KhN50KVMTYUB (BB750) Alloy KhN50VMTYUB (EP648) Alloy KhN50VMTKFY (EP57) Alloy KhN45MVTYUBR (EP718) Alloy Kh15N60Yu3A (EP548) Alloy H95S3Yu (EP711) Alloy H95G (EP18) Alloy H70M (EP495)

Designation

Name The value
Designation GOST Cyrillic ХН73МБТЮ
Designation GOST Latin XH73MBTJu
Transliteration HN73MBTYu
The chemical elements CrNi73CuBeTeAl
Name The value
Designation GOST Cyrillic ЭИ698
Designation GOST Latin EI698
Transliteration EhI698
The chemical elements -

Description

Alloy ХН73МБТЮ used: for the manufacture of parts for aircraft (gas turbine blades, heat-treated and oblicheny forgings of disks, baffles, labyrinths and socks) with operating temperatures up to +750 °C; mounting and other details, operating at temperatures up to 750−800 °C.

Note

High-temperature Nickel-based alloy.

Standards

Name Code Standards
Sectional and shaped rolling В32 GOST 22411-77, TU 14-1-1973-77, TU 14-1-2792-79
Bulls. Blanks. Slabs В31 OST 1 90330-82, TU 14-1-1911-76, TU 14-131-665-86, TU 1-809-694-99, TU 1-809-823-99, TU 1-92-187-92
Metal forming. Forgings В03 TU 14-1-1466-75, TU 14-1-1530-75, TU 14-1-285-72, TU 14-1-5329-96

Chemical composition

Standard C S P Mn Cr Si Ni Fe As Al B Ti Mo Sn Sb Pb Bi Nb Ce
TU 14-1-2792-79 0.03-0.07 ≤0.007 ≤0.015 ≤0.4 13-16 ≤0.5 The rest ≤2 - 1.45-1.8 ≤0.005 2.37-2.75 2.8-3.2 - - ≤0.001 - 1.9-2.2 ≤0.005
TU 14-1-285-72 0.03-0.07 ≤0.007 ≤0.015 ≤0.4 13-16 ≤0.5 The rest ≤2 ≤0.001 1.45-1.8 ≤0.005 2.35-2.75 2.8-3.2 ≤0.001 ≤0.001 ≤0.001 ≤0.0001 1.9-2.2 ≤0.005
Ni is the basis.
According to TU 14-1-2792-79, the chemical composition is given for the alloy grade KhN73MBTU-VD (EI698-VD). The content of Sb (antimony), Sn (tin), Bi (bismuth), As (arsenic) - no more than 1 point on the scale of spectral analysis. Boron, cerium and other technological additives introduced into the metal by calculation, chemical analysis are not determined. If all the requirements in the finished product are met, deviations from the chemical composition standards are allowed: for carbon ± 0.01%, silicon + 0.1%, niobium + 0.1%, for aluminum -0.05%. The residual content of tungsten is not more than 0.2% is not a rejection sign.
According to TU 14-1-285-72, the chemical composition is given for the alloy grade KhN73MBTU (EI698). Boron, cerium, and other technological additives introduced into the metal by calculation by chemical analysis are not determined. Subject to the requirements of the technical specification, deviations from the chemical composition standards are allowed: by carbon ± 0.010%, silicon + 0.10%, aluminum + 0.10%, titanium + 0.050%, niobium + 0.10%. The content of residual elements is according to GOST 5632.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Forgings on the other 14-1-285-72. The longitudinal samples. Hardening in air, 1100-1120 °C (exposure 8 h) + Annealing in air, 990-1010 °C (exposure 4 h) + Ageing at 775±10°C (aging 16 hours), air cooling
≥706 ≥1128 ≥16 ≥18 ≥390 294-341
≥706 ≥1128 ≥17 ≥19 ≥490 294-341
Forgings on the other 14-1-285-72. The longitudinal samples. Hardening in air, 1100-1120 °C (exposure 8 h) + Annealing in air, 990-1010 °C (exposure 4 h) + Ageing at 775±10°C (aging 16 hours), air cooling + Ageing at 700±10°C (aging 16 hours), air cooling
≥726 ≥1157 ≥14 ≥16 ≥390 302-363
The pressed bars. Quenching with 1100-1120 °With, exposure time 8 hours, air cooling, 1000±10 °With exposure 4 hours, air cooling + Ageing at 775±10°C for 16 hours, air cooling
≥720 ≥1150 ≥17 ≥19 ≥490 294-341
The pressed bars. Quenching with 1100-1120 °With, exposure time 8 hours, air cooling, 1000±10 °With exposure 4 hours, air cooling. Ageing at 775±10°C for 16 hours, air cooling, aging at 700±10°C for 16 hours, air cooling
≥740 ≥1180 ≥14 ≥16 ≥392 302-363
Stamping parts for aircraft (disks, baffles, labyrinths and socks). Hardening in air, 1100-1120 °C (exposure 8 h), air cooling + Tempering air with 990-1010 °C (exposure 4 h), air cooling + Ageing at 765-785 °C for 16 h, air cooling
- ≥675 ≥1100 ≥15 ≥16 ≥392 294-341
- ≥705 ≥1130 ≥17 ≥19 ≥490 294-341
Stamping parts for aircraft (disks, baffles, labyrinths and socks). Hardening in air, 1100-1120 °C (exposure 8 h), air cooling + Tempering air with 990-1010 °C (exposure 4 h), air cooling + Ageing at 765-785 °C for 16 h, air cooling + Ageing at 690-710 °C for 16-24 h, air cooling (or Aging at 740-760 °C for 8-16 h, air cooling)
- ≥705 ≥1130 ≥13 ≥15 ≥343 302-363
- ≥725 ≥1160 ≥14 ≥16 ≥392 302-363
Stamping parts for aircraft (disks, baffles, labyrinths and socks). Anneal at 890-910 °C, (excerpt 10 hours), air cooling + Tempering air with 1030-1050 °C (extract 2-6 h), air cooling + Ageing at 740-760 °C for 16 h, air cooling (or double aging 765-785 °C (exposure 8 h), air cooling + at 740-760 °C (16 h exposure), air cooling)
- ≥705 ≥1130 ≥15 ≥16 ≥392 302-363
- ≥725 ≥1160 ≥17 ≥19 ≥490 302-363

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

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