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Alloy ХН55МВЦ (ЧС57)

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 ХН55МВЦ
Designation GOST Latin XH55MBTs
Transliteration HN55MVTs
The chemical elements CrNi55CuВZn
Name The value
Designation GOST Cyrillic ЧС57
Designation GOST Latin ChC57
Transliteration ChS57
The chemical elements ЧPb57

Description

Alloy ХН55МВЦ used: for the manufacture of prefabricated tubular billets and pipes, thin-walled tubes for critical applications (ХН55МВЦУ-VI); forged bars, hot and cold rolled sheet metal; parts and accessories of aerospace engineering.

Standards

Name Code Standards
Bulls. Blanks. Slabs В31 TU 14-1-1214-75, TU 14-1-4081-86, TU 14-1-4747-89
Sectional and shaped rolling В32 TU 14-1-3663-83
Sheets and stripes В33 TU 14-1-4392-88, TU 14-1-4400-88

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N Al B Ti Mo W Zr Y
TU 14-1-3663-83 ≤0.05 ≤0.01 ≤0.015 1.3-1.7 18-20 ≤0.3 53-56 The rest - ≤0.03 ≤0.15 ≤0.005 - 5-7 2-3 0.05-0.15 ≤0.05
TU 14-1-4747-89 ≤0.05 ≤0.01 ≤0.015 1.3-1.7 18-20 ≤0.3 53-56 The rest ≤0.07 ≤0.03 ≤0.15 0.005 ≤0.1 5-7 2-3 0.05-0.15 0.05
TU 14-1-4400-88 ≤0.04 ≤0.01 ≤0.015 1.3-1.7 18-20 ≤0.3 53-56 The rest - ≤0.03 ≤0.15 0.005 - 5-7 2-3 0.05-0.15 0.05
Ni is the basis.
According to TU 14-1-3663-83, the chemical composition is given for the alloy grade KhN55MVC-VI. Yttrium and boron are introduced into the metal by calculation and chemical analysis are not determined. Allowed for the introduction of calcium into the alloy by calculation of 0.10%, zirconium by 0.10% by calculation. Limit deviations in chemical composition - in accordance with GOST 5632.
According to TU 14-1-4081-86, the chemical composition is given for an alloy of the grade KhN55MVC-VI (ChS57-VI), vacuum induction melting on especially pure materials. Allowed the introduction of calcium into the alloy as calculated by 0.10%. Yttrium, boron and calcium are introduced into the metal by calculation and chemical analysis are not determined. The maximum deviations from the norms of chemical composition must not exceed the tolerances in accordance with GOST 5632. The mass fraction of the residual elements in the alloy must comply with GOST 5632.
In the alloy grade HN55MVTSU-VI (ChS57U-VI) boron is absent. The permissible content in the alloy of grade ХН55МВЦУ-ВИ (ЧС57У-ВИ) hafnium ≤0,150%, cerium ≤0,030%.
According to TU 14-1-4400-88 the chemical composition is given for an alloy of grades ХН55МВЦ (ЧС-57), ХН55МVЦ-VI (ЧС57-ВИ).
According to TU 14-1-4747-89, the chemical composition is given for an alloy of the brand KhN55MVTS-VI (ChS57-VI). Yttrium and boron are introduced into the metal by calculation and chemical analysis are not determined.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, %
Steel hot-rolled sheet in the delivery condition on the other 14-1-4400-88. Austenization at 1100 °C (3minutes per 1 mm of sheet thickness), cooling in air or under water shower
- ≥215 ≥560 ≥40 -
Tubular billet on the other 14-1-4081-86. Austenization at 1100 °C, air cooling
20-25 ≥245 ≥590 ≥40 ≥65
20-25 ≥127 ≥230 ≥45 ≥55
20-25 ≥118 ≥160 ≥45 ≥55

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

Technological properties

Name The value
Pressure treatment The degree okowa a tube blank on the other 14-1-4081-86 must be at least 2.5.
Macrostructure and contamination In the macrostructure of billets on the other 14-1-4081-86 should not be cracked, subcortical bubbles, traces of shrinkage, inclusions, delaminations, and other defects visible to the naked eye. Permitted in the macrostructure of the Central porosity, point heterogeneity as well as the exudation of a square no more than 1 point on the scale GOST 10243. The content of nonmetallic inclusions in the metal tube blank, as measured by the maximum score method, s-6 GOST 1778, shall not exceed: - sulphides (C) - 1.5 points; - oxides of stroke (OS) - 3.5 points; - point oxides (ON) - 2.0 points; - silicates fragile (CX) - 1.0 points; - silicates plastic (SP) - 1.0 points; - silicates, non-deformed (CH) - 1.0 points; - nitrides (N) - 2.0 points. In the macrostructure of wrought-iron bars on the other 14-1-3663-83 on cross etched templeto should not be intergranular cracks, pores, subcortical bubble, podnasadochnogo looseness, residues shrinkage, foreign non-metallic microflute, bundles for forging and intercrystalline cracks and other defects visible to the naked eye. Permitted in the macrostructure of the Central porosity, phase separation of the square not more than 1 score but scales GOST 10243, dot-spotted heterogeneity according to GOST 22838, which is a symptom of rejection is not. Content of nonmetallic inclusions in steel forged bars shall not exceed: - sulphides (C) - 1.5 points; - oxides of stroke (OS) - 3.5 points; - point oxides (ON) - 2.0 points; - silicates fragile (CX) - 2.0 points; - silicates plastic (SP) - 2.0 points; - silicates, non-deformed (CH) - 2.0 points; - nitrides (N) - 2.0 points.

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