ХН70Ю (ЭИ652)
ХН70Ю (ЭИ652) is a Ni Cr Based precipitation hardening deformation superalloy, which is used in the solid solution state at a temperature below 1100 ℃.
Equivalent Grades
| Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
| – | – | ХН70Ю (ЭИ652) | – | – | – | – | – | – | – | – |
Chemical Composition, %
| Alloy | C | Si | Mn | P | S | Cr | Ni | Al | Fe |
| ХН70Ю | ≤0.1 | ≤0.8 | ≤0.3 | ≤0.015 | ≤0.012 | 26.0-29.0 | Bal | 2.8-3.5 | ≤1.0 |
Typical Physical and Mechanical Properties (RT, Solution Annealed)
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HRB |
| 7.97 | 1355-1380 | 895 | – | 35 | / |
Available Products and Specifications
| Rod, Bar, Wire and Forgings | GOST 5632 |
| Plate, Sheet and Strip | – |
| Pipe and Tube | – |
| Welding Product | – |
| Others | – |
Features
The alloy has excellent oxidation and corrosion resistance, medium tensile and lasting strength, good forming process and machining properties, and good microstructure stability.
Applications
The alloy is suitable for making combustion chambers and heat shields of aeroengines below 1100℃. In the field of civil industry, it can be used to make high-temperature device parts below 1200 ℃.
