Designation
| Name |
The value |
| Designation GOST Cyrillic |
МД18В |
| Designation GOST Latin |
MD18B |
| Transliteration |
MD18V |
| By chemical elements |
CuД18В |
Description
Alloy МД18В used: for the manufacture of parts with high thermal conductivity.
Note
Molybdenum-copper pseudoself.
Standards
| Name |
Code |
Standards |
| Tape |
В54 |
TU 11-89 |
Chemical composition
| Standard |
Ni |
Fe |
Cu |
B |
Mo |
W |
| TU 11-89 |
0.2-0.4 |
0.6-0.8 |
17.65-24.15 |
0.05-0.15 |
50-54 |
25-27 |
Mo is the basis.
According to TU 11-89 Ho0.021.105 TU sum of impurities in the alloy should not exceed 0.50%.
Mechanical properties
| Section, mm |
σU, MPa |
| Strip as supplied on the other 11-89 Яе0.021.105 TU. In the graph the properties of the delivery indicates the cutting direction of the sample |
| 2.5 |
≥687 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
Physical characteristics
| Temperature |
R, Mr. · m |
| 20 |
1020 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| l |
Coefficient of thermal conductivity |
