Alloy ХН30ВМТ (ЭП437; ВЖ102)
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Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ХН30ВМТ |
| Designation GOST Latin | XH30BMT |
| Transliteration | HN30VMT |
| The chemical elements | CrNi30ВCuTe |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭП437 |
| Designation GOST Latin | EP437 |
| Transliteration | EhP437 |
| The chemical elements | - |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ВЖ102 |
| Designation GOST Latin | BZh102 |
| Transliteration | VG102 |
| The chemical elements | ВFe102 |
Description
Alloy ХН30ВМТ used: for the manufacture of heavy-gauge hot-rolled steel; special parts and aeronautical equipment; welding wire.
Note
Heat-resistant iron-Nickel alloy.
Standards
| Name | Code | Standards |
|---|---|---|
| Bulls. Blanks. Slabs | В31 | OST 1 90158-74, OST 1 90373-87, TU 14-1-1214-75 |
| Welding and cutting of metals. Soldering, riveting | В05 | TU 14-1-1004-74 |
| Sheets and stripes | В33 | TU 14-1-146-71, TU 14-1-5103-92 |
| Metal forming. Forgings | В03 | TU 14-1-1530-75, TU 14-1-2902-80 |
| Sectional and shaped rolling | В32 | TU 14-1-2212-77 |
| Sheets and stripes | В53 | TU 14-1-2862-79 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | Ti | Mo | W | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-2902-80 | ≤0.1 | ≤0.015 | ≤0.02 | ≤0.6 | 14-16 | ≤0.6 | 27-30 | The rest | - | ≤0.5 | 1.9-2.4 | 3-4 | 4.5-6 | ≤0.02 |
| TU 14-1-146-71 | ≤0.1 | ≤0.015 | ≤0.025 | ≤0.6 | 14-16 | ≤0.6 | 27-30 | The rest | ≤0.07 | ≤0.5 | 1.8-2.3 | 3-4 | 4.5-6 | ≤0.02 |
| TU 14-1-5103-92 | ≤0.1 | ≤0.015 | ≤0.025 | ≤0.6 | 14-16 | ≤0.6 | 27-30 | The rest | - | ≤0.5 | 1.8-2.3 | 3-4 | 4.5-6 | ≤0.02 |
Fe is the basis.
According to TU 14-1-2902-80 the chemical composition is given for ХН30МВТ and ХН30ВМТ-ВД.
According to TU 14-1-146-71 the chemical composition is given for ХН30МВТ (ЭП437).
According to TU 14-1-5103-92 the chemical composition is given for ХН30МВТ (ЭП437). Boron, cerium and zirconium are introduced into the metal by calculation and chemical analysis are not determined.
According to TU 14-1-2902-80 the chemical composition is given for ХН30МВТ and ХН30ВМТ-ВД.
According to TU 14-1-146-71 the chemical composition is given for ХН30МВТ (ЭП437).
According to TU 14-1-5103-92 the chemical composition is given for ХН30МВТ (ЭП437). Boron, cerium and zirconium 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, % | kJ/m2, кДж/м2 | Brinell hardness number, MPa |
|---|---|---|---|---|---|---|
| Ring welded at OST 1 90373-87. Heating to 1150-1170 °C, exposure for 2 hours, quenching in air + Ageing at 730-750 °C for 16 hours, air cooling | ||||||
| ≥618 | ≥930 | ≥9 | ≥12 | ≥250 | 248-332 | |
| Steel hot-rolled sheet (6-11 mm). Quenching in water from 1080-1120 °C + Aging at 740-760 °C (delay of 12-16 h), air cooling | ||||||
| 4-11 | ≥640 | ≥930 | ≥7 | - | - | - |
| Ring welded at OST 1 90373-87. Heating to 1150-1170 °C, exposure for 2 hours, quenching in air + Ageing at 730-750 °C for 16 hours, air cooling | ||||||
| ≥568 | ≥862 | ≥6 | ≥8 | ≥180 | - | |
| Steel hot-rolled sheet (6-11 mm). Quenching in water from 1080-1120 °C + Aging at 740-760 °C (delay of 12-16 h), air cooling | ||||||
| 4-11 | - | ≥690 | ≥12 | - | - | - |
| Sheet. Quenching in water, in air or under water shower with 1080-1120 °C | ||||||
| 4-11 | - | 640-930 | ≥30 | - | - | - |
| Forgings. Heating to 1150-1170 °C, exposure for 2 hours, air cooling + Ageing at 730-750 °C for 16 hours, air cooling | ||||||
| ≥620 | ≥930 | ≥9 | ≥14 | ≥190 | 248-331 | |
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 |
