LA77-2u
For the manufacture of pipes
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Brass (copper-zinc alloy) |
Brass, pressure treated |
Chemical composition
| Standard |
Fe, % |
Si, % |
Bi, % |
Mn, % |
Cu, % |
Zn, % |
Ni, % |
Sb, % |
Al, % |
Pb, % |
P, % |
|---|
| GOST 15527-2004 |
0.03–0.1 |
0.03–0.2 |
< 0.002 |
0.03–0.3 |
76–79 |
16.77–21.8 |
0.3–1 |
< 0.005 |
1.7–2.5 |
< 0.07 |
0.005–0.02 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
8300 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
Treatment |
|---|
| Pipes are soft. |
GOST 51573-2000 |
|
|
|
390 |
|
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Bi |
% |
Bismuth |
| Mn |
% |
Manganese |
| Cu |
% |
Copper |
| Zn |
% |
Zinc |
| Ni |
% |
Nickel |
| Sb |
% |
Antimony |
| Al |
% |
Aluminium |
| Pb |
% |
Lead |
| P |
% |
Phosphorus |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |