LTS16K4

Brass siliceous. Melting point 900 ° C. Hardness (GOST 17711−93) HB 10 -1 = 100−110 MPa. Friction coefficient with lubrication: 0.01. Friction coefficient without lubrication: 0.19

For the manufacture of complex components for the configuration of devices and valves operating at temperatures up to 250 ° C and subjected to tests gidrovozdushnym; parts operating in seawater while providing sacrificial protection (gear, friction parts and other components.)

Classification

Country Section Category
CIS, Russia, Ukraine Brass (copper-zinc alloy) Foundry brass

Chemical composition

Standard Fe, % Si, % Sn, % Mn, % Cu, % Zn, % Ni, % Sb, % Al, % Pb, % P, %
GOST 17711-93 < 0.6 3–4.5 < 0.3 < 0.8 78–81 12–19 < 0.2 < 0.1 < 0.04 < 0.5 < 0.1

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 17 83.7 8300 0.2

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Casting GOST 17711-93 in chill mold 343 15
Casting GOST 17711-93 in sandy form 294 15

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 and technological parameters

melting point, °C
900

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.01 0.19

Analogues

USA Germany
C87400 G-CuZn15Si4
2.0493

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
Al % Aluminium
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