Alloy ХН70ВМФТЮ (ЭИ826)
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Alloy KhN65VMTU (EI893)
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Alloy KhN62VMKU (EI867)
Alloy KhN62BMKTU (EP742)
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Alloy KhN75VMU (EI827)
Alloy CrN75VMFU (EI827)
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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)
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Alloy VZHL12E
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Alloy ZhS16
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Alloy BC4L
Alloy VZHL2
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Alloy VZHL12U
Alloy VZhL1
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Alloy 50H6MFA
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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 | ХН70ВМФТЮ |
| Designation GOST Latin | XH70BMFTJu |
| Transliteration | HN70VMFTYu |
| The chemical elements | CrNi70ВCuPTeAl |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭИ826 |
| Designation GOST Latin | EI826 |
| Transliteration | EhI826 |
| The chemical elements | - |
Description
Alloy ХН70ВМФТЮ used: for the manufacture of hot-rolled bars; parts of the energy and aeronautical engineering.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В32 | TU 14-1-223-72, TU 14-1-402-72 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | V | B | Ti | Mo | W | Ce |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-402-72 | ≤0.12 | ≤0.009 | ≤0.015 | ≤0.5 | 13-16 | ≤0.6 | The rest | ≤5 | ≤0.07 | 2.4-2.9 | 0.2-1 | ≤0.015 | 1.7-2.2 | 2.5-4 | 5-7 | ≤0.02 |
| TU 14-1-223-72 | 0.04-0.1 | ≤0.009 | ≤0.015 | ≤0.5 | 13-16 | ≤0.6 | The rest | ≤5 | ≤0.07 | 2.4-2.9 | 0.2-1 | ≤0.02 | 1.7-2.2 | 2.5-4 | 5-7 | ≤0.02 |
Ni is the basis.
According to TU 14-1-223-72 in the alloy, the presence of antimony, tin, bismuth and arsenic is allowed for no more than 1 point of the spectral analysis scale. Boron and cerium are introduced into the metal by calculation and chemical analysis is not determined.
According to TU 14-1-223-72 in the alloy, the presence of antimony, tin, bismuth and arsenic is allowed for no more than 1 point of the spectral analysis scale. Boron and cerium are introduced into the metal by calculation and chemical analysis is not determined.
Mechanical characteristics
| Section, mm | σB, MPa | d5, % | y, % | Brinell hardness number, MPa |
|---|---|---|---|---|
| Bars and rods, hot-rolled (20-55 mm) and machined (20-40 mm) TU 14-1-223-72. Hardening in air, 1200-1220 °C (exposure 2 hours) + Heating to 1040-1060 °C (exposure 4 h), air cooling + Ageing at 790-810 °C (aging 16 h), air cooling | ||||
| ≥590 | ≥8 | ≥12 | 269-341 | |
| ≥640 | ≥12 | ≥18 | - | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
