Designation
| Name |
The value |
| Designation GOST Cyrillic |
М-МП |
| Designation GOST Latin |
M-MP |
| Transliteration |
M-MP |
| By chemical elements |
Cu-CuП |
Description
Alloy M-MP is used: for the manufacture of hot-rolled (1,0−30,0 mm) and cold rolled (0,1−0,9 mm) sheets; hot-rolled bars and forgings (forged rods, cylinders, plates and parallelepipeds), intended for further mechanical processing.
Standards
| Name |
Code |
Standards |
| Sheets and strips |
В53 |
GOST 17431-72 |
| Bars |
В55 |
GOST 17432-72 |
Chemical composition
| Standard |
Si |
Ni |
Fe |
Al |
Mo |
Ca |
W |
O |
Mg |
Na |
K |
| GOST 17431-72 |
≤0.005 |
≤0.005 |
≤0.014 |
≤0.005 |
Rest |
≤0.007 |
≤0.4 |
≤0.3 |
≤0.003 |
≤0.015 |
≤0.05 |
Mo is the basis.
According to GOST 17431-72, the particle size of the powder should not be more than 0.005 mm for 92% of the powder by weight.
Mechanical properties
| Section, mm |
σU, MPa |
d5, % |
| Sheets hot rolled according to GOST 17431-72 in the delivery condition. Annealing (samples transverse) |
| 1-1.8 |
≥690 |
≥8 |
| 2-4 |
≥690 |
≥10 |
| 4.5-6 |
≥640 |
≥8 |
| Bars hot rolled as supplied by GOST 17432-72 (longitudinal samples) |
| 14.5-24 |
≥640 |
≥20 |
| 30.0; 35.0; 40.0 |
≥590 |
≥15 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
