Designation
| Name |
The value |
| Designation GOST Cyrillic |
МНА13-3 |
| Designation GOST Latin |
MHA13-3 |
| Transliteration |
MNA13-3 |
| By chemical elements |
CuNiAl13-3 |
| Name |
The value |
| Designation GOST Cyrillic |
Куниаль А |
| Designation GOST Latin |
Kuhial A |
| Transliteration |
Kunial A |
| By chemical elements |
Coуниаль |
Description
Alloy MNA13−3 is used: for the manufacture of flat and long steel (bars) products products of the high strength of different branches of engineering.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 28873-90, GOST 492-2006 |
| Bars |
В55 |
TU 48-21-407-84 |
Chemical composition
| Standard |
Mn |
Fe |
Cu |
Al |
Pb |
Ni+Co |
| GOST 492-2006 |
≤0.5 |
≤1 |
Rest |
2.3-3 |
≤0.002 |
12-15 |
Cu is the basis.
According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.90%.
Mechanical properties
| Section, mm |
σU, MPa |
d5, % |
HB, MPa |
| Rolled steel in the delivery state |
|
380-470 |
10-15 |
- |
|
900-950 |
2-4 |
≥255 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| HB |
Brinell hardness number |
Technological properties
| Name |
The value |
| Corrosion resistance |
The alloy is resistant. |
