BrA9Mts2L (BrAMts9-2L)

antifriction parts fitting parts operating in fresh water and liquid fuel in steam at a temperature up to 250 ° C

Classification

Country Section Category
CIS, Russia, Ukraine Bronze Tinless cast bronze

Chemical composition

Standard Fe, % Si, % Sn, % Mn, % Cu, % Zn, % Ni, % Sb, % Al, % Pb, % As, % P, %
GOST 493-79 < 1 < 0.2 < 0.2 1.5–2.5 85.2–90.5 < 1.5 < 1 < 0.05 8–9.5 < 0.1 < 0.05 < 0.1

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 90.3 71.2 7600 0.11
100 17

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Casting GOST 493-79 in chill mold 392 20
Casting GOST 493-79 in sandy form 392 20

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Casting GOST 493-79 in chill mold 80
Casting GOST 493-79 in sandy form 80

Casting and technological parameters

melting point, °C linear shrinkage, %
1060 1.7

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.006 0.18

Analogues

Germany USA
AlBz9Mn ERCuAl-A2

Standards

Standard Description
GOST 493-79

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
As % Arsenic
P % Phosphorus

Description of physical characteristics

Parameter Units of measurement Description
$$E\cdot 10^{9}$$ $$MPa$$ Elastic modulus
$$\alpha\cdot 10^{6}$$ $$K^{-1}$$ 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
linear shrinkage % The difference between model dimensions and the model casting