LTs40Mts1.5
Manganese brass. Melting point 880 ° C. Hardness (GOST 17711−93) HB 10 -1 = 100−110 MPa. Coefficient of friction with lubrication: 0.012. Friction coefficient without lubrication: 0.32
For the manufacture of parts of simple configuration, operating under shock loads, as well as details of friction units, working in conditions of calm load not exceeding 60 deg temperatures.
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Brass (copper-zinc alloy) |
Foundry brass |
Chemical composition
| Standard |
Fe, % |
Si, % |
Sn, % |
Mn, % |
Cu, % |
Zn, % |
Ni, % |
Sb, % |
Pb, % |
P, % |
|---|
| GOST 17711-93 |
< 1.5 |
< 0.1 |
< 0.5 |
1–2 |
57–60 |
36–42 |
< 1 |
< 0.1 |
< 0.7 |
< 0.03 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
|---|
| 20 |
21.2 |
71.2 |
8400 |
0.108 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Casting |
GOST 17711-93 |
|
|
in chill mold |
392 |
20 |
|
| Casting |
GOST 17711-93 |
|
|
in sandy form |
372 |
20 |
|
| Casting |
GOST 17711-93 |
|
|
centrifugal |
392 |
20 |
|
Brinell hardness number
Casting and technological parameters
Coefficients of Friction
| coefficient of friction with lubrication |
coefficient of friction without lubrication |
|---|
| 0.012 |
0.32 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Sn |
% |
Tin |
| Mn |
% |
Manganese |
| Cu |
% |
Copper |
| Zn |
% |
Zinc |
| Ni |
% |
Nickel |
| Sb |
% |
Antimony |
| Pb |
% |
Lead |
| P |
% |
Phosphorus |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
| $$\varkappa$$ |
$$\frac{W}{m\cdot K}$$ |
Coefficient of thermal conductivity (the heat capacity of the material) |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
| $$R\cdot 10^{-6}$$ |
$$\Omega\cdot m$$ |
Electrical resistivity |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
Description of the casting and technological parameters
| Parameter |
Units of measurement |
Description |
| melting point |
°C |
The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |