Designation
| Name |
The value |
| Designation GOST Cyrillic |
ЛАНКМц 75-2-2,5-0,5-0,5 |
| Designation GOST Latin |
LAHKMts 75-2-2,5-0,5-0,5 |
| Transliteration |
LANKMts 75-2-25-05-05 |
| By chemical elements |
ЛAlNiCoMn 75-2-2,5-0,5-0,5 |
| Name |
The value |
| Designation GOST Cyrillic |
сплав 156 |
| Designation GOST Latin |
cplab 156 |
| Transliteration |
splav 156 |
| By chemical elements |
сплав 156 |
Description
Brass Lancz 75−2-2,5−0,5−0,5 is used: for the manufacture of strip; springs, gauge tubes; in instrumentation for the manufacture of elastic sensing elements in instruments and other spring details.
Note
Complex alloyed brass.
Standards
| Name |
Code |
Standards |
| Tape |
В54 |
GOST 15527-2004 |
| Non-ferrous metals, including rare, and their alloys |
В51 |
GOST 28873-90 |
| Sheets and strips |
В53 |
OST 4-021.071-78, TU 48-08-467-71 |
| Tubes of non-ferrous metals and alloys |
В64 |
TU 48-21-363-88, TU 48-21-870-89 |
Chemical composition
| Standard |
P |
Mn |
Si |
Ni |
Fe |
Cu |
Al |
Zn |
Sb |
Pb |
Bi |
| GOST 15527-2004 |
≤0.01 |
0.3-0.7 |
0.3-0.7 |
2-3 |
≤0.1 |
73-76 |
1.6-2.2 |
Rest |
≤0.005 |
≤0.05 |
≤0.002 |
Cu is the basis.
According to GOST 15527-2004 the sum of other elements should be ≤ 0.50%. In brass, the mass fraction of nickel is allowed up to 0.50% due to the mass fraction of copper, which is not taken into account in the sum of other impurities.
Mechanical properties
| σU, MPa |
d5, % |
HB, MPa |
| Brass supplied |
| 500-600 |
45-55 |
- |
| 850-950 |
6-10 |
284-294 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| HB |
Brinell hardness number |
Physical characteristics
| Temperature |
Е, HPa |
r, kg/m3 |
l, W/(m · °C) |
R, Mr. · m |
| 20 |
115 |
8600 |
921 |
137 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |