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Alloy KHN70VMJUT (ЭИ765)

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 ХН70ВМЮТ
Designation GOST Latin XH70BMJuT
Transliteration HN70VMYuT
The chemical elements CrNi70ВCuAlTe
Name The value
Designation GOST Cyrillic ЭИ765
Designation GOST Latin EI765
Transliteration EhI765
The chemical elements -

Description

Alloy KHN70VMJUT used: for the manufacture of turbine blades, fasteners and other parts operating at temperatures up to 750−800 °C.

Note

High-temperature Nickel-based alloy.
The recommended maximum operating temperature for a very long time +750 °C, long-time +800 °C.
The temperature of beginning of intensive scaling in air to +1000 °C.

Standards

Name Code Standards
Classification, nomenclature and general norms В30 GOST 5632-72
Bulls. Blanks. Slabs В31 OST 3-1686-90
Metal forming. Forgings В03 ST ЦКБА 010-2004
Thermal and thermochemical treatment of metals В04 ST ЦКБА 016-2005
Sectional and shaped rolling В32 TU 14-1-1358-74, TU 14-11-245-88

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Al B Ti Mo W
GOST 5632-72 0.1-0.16 ≤0.012 ≤0.015 ≤0.5 14-16 ≤0.6 The rest ≤3 ≤0.3 1.7-2.2 ≤0.01 1-1.4 3-5 4-6
Ni is the basis.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Blank pieces of pipe fittings and welded assemblies at ST CKBA 016-2005. Quenching in oil with 1140-1160 °C (extract 3 hours) + Aging at 790-810 °C (20 h exposure), air cooling
≤100 ≥588 ≥980 ≥20 ≥25 ≥588 270-320
A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
- ≥800 ≥910 ≥11 ≥17 - -
Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure)
- 750-820 1160-1230 24-27 28-34 - 277-311
- ≥670 ≥1020 ≥24 ≥27 - -
Long products (bar) in the delivery condition. Quenching in oil from 1150 °C + Ageing at 800 °C (20 h exposure)
≤30 ≥670 ≥1030 ≥28 ≥26 ≥785 -
A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
- ≥700 ≥710 ≥25 ≥60 - -
Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure)
- 840-860 1250-1270 20-23 24-29 - 315
- ≥670 ≥1020 ≥19 ≥23 - -
Long products (bar) in the delivery condition. Quenching in oil from 1150 °C + Ageing at 800 °C (20 h exposure)
32-55 ≥590 ≥980 ≥20 ≥25 ≥579 -
A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
- ≥265 ≥280 ≥55 ≥85 - -
Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure)
- 730 1170 21 33 - 300
- ≥600 ≥930 ≥19 ≥24 - -
A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
- ≥160 ≥170 ≥60 ≥90 - -
Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure)
- 700 1150 17 19 - 290
- ≥550 ≥760 ≥29 ≥39 - -
A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
- ≥64 ≥67 ≥68 ≥83 - -
Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure)
- 580-650 890-1120 10-25 21-32 - 250-293
A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s
- ≥42 ≥55 ≥44 ≥67 - -
Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure)
- 600-680 1080-1130 28-35 27-42 - 270
Rod. Quenching in oil from 1150 °C + ageing at 800 °C (20 h exposure)
- 610-710 1010-1130 28-32 30-34 - -
- ≥630 ≥1000 ≥27 23-34 - -
- ≥590 ≥980 ≥25 18-23 - -
- 570-630 870-920 ≥22 27-36 - -
- 490-560 ≥560 ≥19 46-52 - -
- ≥390 400-440 ≥21 57 - -
- ≥270 ≥295 ≥31 70 - -
- ≥69 ≥78 ≥58 76-82 - -

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

Physical characteristics

Temperature Е, ГПа G, ГПа r, кг/м3 l, Вт/(м · °С) R, НОм · м a, 10-6 1/°С
0 221 83 8600 - 1330 -
20 226 - 8600 - 1330 -
100 217 82 8570 12 1340 122
200 211 79 8540 13 1350 126
300 205 77 8510 17 1360 132
400 198 74 8470 19 1360 136
500 193 71 8430 29 1370 141
600 186 69 8390 30 1470 145
700 178 66 8340 30 1480 151
800 - 65 8290 - - 158
900 - - 8240 - - 158
1100 - - - - - 165

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 Trudnosmyvaemye alloy. The welding process - SMAW. To relieve welding stresses, the recommended subsequent heat treatment.
Forging temperature Start - 1180 °C, the end of - 900 °C. the cross Section up to 220 mm are cooled in air.
Workability by cutting In the heat treated condition while HB 202 and blower SB=813 MPa Kn TV.SPL.=0,2 Kn b.St.=0,1.

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