Alloy Nmc2,5
Designation
| Name |
The value |
| Designation GOST Cyrillic |
НМц2,5 |
| Designation GOST Latin |
HMts2,5 |
| Transliteration |
NMts25 |
| The chemical elements |
NiMn2,5 |
Description
Alloy Nmc2,5 is used: for the production of candles automotive, aviation and tractor engines; of wire used in electrical, instrumentation, vacuum and other industries.
Note
Nickel manganese.
Standards
| Name |
Code |
Standards |
| Wire of non-ferrous metals and their alloys |
В74 |
GOST 1049-74 |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 28873-90, GOST 492-2006 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Si |
Ni |
Fe |
Cu |
As |
Sb |
Pb |
Bi |
Mg |
Ni+Co |
| GOST 492-2006 |
≤0.1 |
≤0.015 |
≤0.01 |
2.3-3.3 |
≤0.3 |
The rest |
≤0.4 |
≤0.2 |
≤0.03 |
≤0.002 |
≤0.002 |
≤0.002 |
≤0.1 |
The rest |
Ni is the basis.
According to GOST 492-2006, the total mass fraction of impurities is ≤ 1.50%. The mass fraction of cobalt is allowed due to the content of nickel in the amount of ≤ 0.50%.
Mechanical characteristics
| Section, mm |
σB, MPa |
d5, % |
d |
| Rolled steel in the delivery state |
|
450-500 |
- |
- |
|
900-1000 |
≥3 |
- |
| Cold-drawn wire (0,05-0,60 mm). In the delivery condition |
| 0.4-5 |
≤640 |
- |
≥20 |
| 0.4-5 |
≤690 |
- |
- |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
| d |
Elongation after rupture |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
R, НОм · м |
| 20 |
210 |
8900 |
140 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
| С |
Specific heat |
