Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН45МВТЮБР |
| Designation GOST Latin |
XH45MBTJuBP |
| Transliteration |
HN45MVTYuBR |
| By chemical elements |
CrNi45CuВTeAlBeHg |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП718 |
| Designation GOST Latin |
EP718 |
| Transliteration |
EhP718 |
| By chemical elements |
- |
Description
Alloy ХН45МВТЮБР used: for the production of parts and components of special-purpose machinery; parts of aircraft.
Note
High-temperature Nickel-based alloy.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В23 |
GOST 19903-74, GOST 19903-90 |
| Bars and shapes |
В32 |
GOST 22411-77, TU 14-1-3135-81, TU 14-1-3905-85 |
| Blanks. Of the workpiece. Slabs |
В31 |
OST 1 90353-84, OST 1 90401-91, OST 1 90422-92, TU 14-1-1214-75, TU 1-809-823-99 |
| Sheets and strips |
В33 |
TU 14-1-1059-74, TU 14-1-1582-75, TU 14-1-1837-76 |
| Tape |
В34 |
TU 14-1-3522-82 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Al |
B |
Ti |
Mo |
Nb |
W |
Ce |
Zr |
| TU 14-1-3905-85 |
≤0.1 |
≤0.01 |
≤0.015 |
≤0.6 |
14-16 |
≤0.3 |
43-47 |
Rest |
0.9-1.4 |
≤0.008 |
1.9-2.4 |
4-5.2 |
0.8-1.5 |
2.5-3.5 |
≤0.1 |
≤0.02 |
Ni is the basis.
According to TU 14-1-3905-85 the chemical composition is given for alloys of grades ХН45МВТЮБР-ИД, ХН45МВТЮБР-ПД.
According to TU 14-1-1059-74 the chemical composition is given for alloys of grades ХН45МВТЮБР-ИД (ЭП718-ИД).
Mechanical properties
| Section, mm |
t отпуска, °C |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
| Leaves x/K 0,8-3,0 mm. delivery Condition + aging at 780-830 °C (maintained for 5 h), air cooling + ageing at 700-720 °C (aging 10-16 h) air cooling or delivery Condition + single ageing at 780-830 °C by cooling with the oven up to 400 °C, then air cooling |
| - |
20 |
- |
≥1080 |
≥13 |
- |
- |
- |
| Ring welded at OST 1 90353-84. Heating to 1000-1130°C, exposure for 2-3 hours, quenching in oil + Aging for 5 hours at 780-830 °C, air cooling, aging at 650-730 °C for 16 hours + Okhlazhdenie air |
| - |
- |
≥685 |
≥1130 |
≥12 |
≥14 |
≥343 |
294-363 |
| Leaves x/K 0,8-3,0 mm. delivery Condition + aging at 780-830 °C (maintained for 5 h), air cooling + ageing at 700-720 °C (aging 10-16 h) air cooling or delivery Condition + single ageing at 780-830 °C by cooling with the oven up to 400 °C, then air cooling |
| - |
700 |
- |
≥780 |
≥7 |
- |
- |
- |
| Ring welded at OST 1 90353-84. Heating to 1000-1130°C, exposure for 2-3 hours, quenching in oil + Aging for 5 hours at 780-830 °C, air cooling, aging at 650-730 °C for 16 hours + Okhlazhdenie air |
| - |
- |
≥620 |
≥980 |
≥7 |
≥8 |
≥176 |
- |
| Leaves x/K 0,8-3,0 mm. Without heat treatment - as supplied |
|
- |
- |
≥980 |
≥30 |
- |
- |
- |
| Bars hot rolled (15-55 mm) and iron (60-160 mm). Tempering: heating to 1000-1130 °C, exposure for 2-3 hours, cooling in oil + aging at 780-830 °C for 5 hours, air cooling + ageing at 650-730 °C for 16 hours, air cooling |
|
- |
≥685 |
≥1130 |
≥12 |
≥14 |
≥340 |
294-363 |
Description mechanical marks
| Name |
Description |
| sT|s0,2 |
Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
| HB |
Brinell hardness number |
