BrAMts9-2

Tubular capacitors board, wear-resistant parts, screws, shafts, parts for hydraulic installations; semi-finished products (strips, strips, rods, wire, forgings); wire for manual welding gas shielded aluminum-manganese bronzes, arsenous brass, copper and copper-nickel alloy with aluminum-manganese bronze, for manual and mechanized welding steel

Classification

Country Section Category
CIS, Russia, Ukraine Bronze Pressureless bronze plated

Chemical composition

Standard Fe, % Si, % Sn, % Mn, % Cu, % Zn, % Al, % Pb, % P, %
GOST 18175-78 < 0.5 < 0.1 < 0.1 1.5–2.5 86–90.5 < 1 8–10 < 0.03 < 0.01

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 92 71.4 7630 0.11
100 17 0.461

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Round half-firm, solid 540 12–15
Round compacting 470–490 20
Tape hot rolling 440 15
Tape soft, cold rolling 440 18
Tape solid, cold rolling 590 5

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Round half-firm, solid 115
Round compacting 95

Casting and technological parameters

melting point, °C Hot working temperature, °C annealing temperature, °C
1060 750–850 650–750

Coefficients of Friction

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

Analogues

Germany USA
2.096 ERCuAl-A2
2.096
2.0971

Standards

Standard Description
GOST 18175-78
GOST 1628-78
GOST 1595-90

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Sn % Tin
Mn % Manganese
Cu % Copper
Zn % Zinc
Al % Aluminium
Pb % Lead
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
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ 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
Hot working temperature °C The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment
annealing temperature °C The temperature at which the processes return recrystallization and homogenization of the metal to reduce its hardness for subsequent machining