Alloy ХН85МЮ (ЭП797)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН85МЮ |
| Designation GOST Latin |
XH85MJu |
| Transliteration |
HN85MYu |
| The chemical elements |
CrNi85CuAl |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП797 |
| Designation GOST Latin |
EP797 |
| Transliteration |
EhP797 |
| The chemical elements |
- |
Description
Alloy ХН85МЮ used: for the manufacture of welding wire, welded parts and assemblies working in radioactive environments, connections of details from alloy grade 46ХНМ (ЭП630) with details of korrozionnostojkih steel type 12X18H10T, 10X17H13M2T.
Standards
| Name |
Code |
Standards |
| Welding and cutting of metals. Soldering, riveting |
В05 |
OST 95 10441-2002, TU 14-1-4963-91 |
| Sheets and stripes |
В33 |
TU 14-1-3367-82, TU 14-1-3578-83 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Al |
Mo |
| TU 14-1-3367-82 |
≤0.03 |
≤0.015 |
≤0.015 |
≤0.5 |
6-8 |
≤0.15 |
The rest |
≤1.5 |
1-1.5 |
3.5-4 |
Ni is the basis.
According to TU 14-1-3367-82, the chemical composition is presented for an alloy of the brand KhN85MYU-VI (EP797-VI).
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
| Sheets hot rolled as supplied on the other 14-1-3367-82. Annealing under a water shower with 1070-1090 °C, duration of heating for hardening: 3-5 minutes per 1 mm thickness |
|
≥196 |
≥539 |
≥40 |
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 |
Technological properties
| Name |
The value |
| Weldability |
Manual argon arc welding with non-consumable electrode (filler or without filler metal), use of combined methods of welding. |
