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Alloy KHN77TJURU (ЭИ437БУ)

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 ХН77ТЮРУ
Designation GOST Latin XH77TJuPU
Transliteration HN77TYuRU
The chemical elements CrNi77TeAlHgУ
Name The value
Designation GOST Cyrillic ЭИ437БУ
Designation GOST Latin EI437BU
Transliteration EhI437BU
The chemical elements -

Description

Alloy KHN77TJURU used: for the manufacture of disks, rings, turbine blades and other parts operating at temperatures up to +750 °C.

Note

High-temperature Nickel-based alloy.
The recommended maximum operating temperature for limited time +750 °C. the Temperature of beginning of intensive scaling in air +1050 °C.

Standards

Name Code Standards
Sectional and shaped rolling В32 GOST 23705-79, TU 14-11-245-88, TU 14-1-684-73
Classification, nomenclature and general norms В30 GOST 5632-72
Bulls. Blanks. Slabs В31 OST 3-1686-90, OST 1 90405-91, OST 1 90406-91, TU 14-1-2548-78, TU 14-1-669-73
Metal forming. Forgings В03 TU 14-1-1530-75, TU 14-1-3803-84, TU 14-1-2918-80

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu As Al B Ti Mo Sn Sb Pb Bi Ce
GOST 5632-72 0.04-0.08 ≤0.007 ≤0.015 ≤0.4 19-22 ≤0.6 The rest ≤1 ≤0.3 - 0.7-1 ≤0.01 2.6-2.9 ≤0.3 - - ≤0.001 - ≤0.02
TU 14-1-2918-80 0.04-0.08 ≤0.007 ≤0.015 ≤0.4 19-22 ≤0.6 The rest ≤1 ≤0.07 - 0.7-1 ≤0.01 2.65-2.95 - - - ≤0.001 - ≤0.02
TU 14-1-684-73 0.04-0.08 ≤0.007 ≤0.015 ≤0.4 19-22 ≤0.6 The rest ≤1 ≤0.07 ≤0.001 0.7-1 ≤0.01 2.65-2.9 - ≤0.001 ≤0.001 ≤0.001 ≤0.0001 ≤0.02
Ni is the basis.
According to TU 14-1-2918-80 the chemical composition is given for ХН77ТЮРУ-ВД. In the alloy, the determination of impurities of non-ferrous metals is made: antimony, tin, bismuth, arsenic, the content of which should not exceed 1 score of a ten-point scale of spectral analysis. Boron and cerium are introduced into the alloy by calculation and chemical analysis are not determined.
According to TU 14-1-684-73 the chemical composition is given for ХН77ТЮРУ (ЭИ437БУ). Boron, cerium, and other technological additives introduced into the metal by calculation by chemical analysis are not determined. The tolerance for titanium is +0,050%. Mass fraction of residual elements - in accordance with GOST 5632. In case of deviation from the specified chemical composition, the use of individual metal smelting for its intended purpose is permitted in agreement with VIAM.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Forgings. Hardening in air, 1070-1090 °C (exposure 8 h) + Aging at 750-790 °C (aging 16 h), air cooling
≥667 ≥981 ≥13 ≥16 ≥294 269-321
Bars hot rolled and forged and according to GOST 23705-79. Hardening in air, 1070-1090 °C (exposure 8 h) + Aging at 750-790 °C (aging 16 h), air cooling
640-735 980-1130 12-30 14-30 294-686 262-321
530-570 804-820 ≥16 ≥21 ≥294 262-321
≥510 650-670 ≥14 ≥29 - -
670-780 980-1220 13-30 16-36 294-686 -
≥540 780-830 ≥20 21-28 - -
≥530 670-735 ≥17 23-30 - -

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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