Brass Lc40mc3a
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ЛЦ40Мц3А |
| Designation GOST Latin |
LTs40Mts3A |
| Transliteration |
LTs40Mts3A |
| The chemical elements |
ЛZn40Mn3 |
Description
Brass Lc40mc3a used: for the manufacture of casting parts with a simple configuration.
Note
Brass manganese-aluminum.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 17711-93, GOST Р 50425-92 |
| Tapes |
В54 |
STP М354-99 |
Chemical composition
| Standard |
P |
Mn |
Si |
Ni |
Fe |
Cu |
Al |
Zn |
Sn |
Sb |
Pb |
| STP М354-99 |
≤0.03 |
2.5-3.5 |
≤0.2 |
≤1 |
≤1 |
55-58.5 |
0.5-1.5 |
The rest |
≤0.5 |
≤0.05 |
≤0.2 |
According to GOST 17711-93 and STP M354-99 the total share of impurities should be ≤ 1.50%. Impurities not specified are taken into account in the total amount of impurities. The mass fraction of nickel in brass is allowed at the expense of copper and is not included in the sum of impurities.
Mechanical characteristics
| σB, MPa |
d5, % |
Brinell hardness number, MPa |
| Castings on OST 1 90077-72 |
| ≥441 |
≥15 |
≥115 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d5 |
Elongation after rupture |
Physical characteristics
| Temperature |
r, кг/м3 |
| 20 |
8400 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
