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

Rolling Standard Classifiers Value, HBW
Casting GOST 17711-93 in chill mold 0–0
Casting GOST 17711-93 in sandy form 0–0
Casting GOST 17711-93 centrifugal 0–0

Casting and technological parameters

melting point, °C
880

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.012 0.32

Standards

Standard Description
GOST 17711-93

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