E109
MPa
α106
K1
ϰ
WmK
ρ
kgm3
R106
Ωm
σU
MPa
ϵL

LMtsA57-3-1

Product average strength, high toughness, corrosion resistance

Classification

Country Section Category
CIS, Russia, Ukraine Brass (copper-zinc alloy) Brass, pressure treated

Chemical composition

Standard Fe, % Bi, % Mn, % Cu, % Zn, % Sb, % Al, % Pb, % P, %
GOST 15527-2004 < 1 < 0.002 2.5–3.5 55–58.5 35.2–42 < 0.005 0.5–1.5 < 0.2 < 0.01

Information on suppliers

Physical characteristics

Temperature, °C E\cdot 10^{9}E109, MPaMPa \alpha\cdot 10^{6}α106, K^{-1}K1 \varkappaϰ, \frac{W}{m\cdot K}WmK \rhoρ, \frac{kg}{m^3}kgm3 R\cdot 10^{-6}R106, \Omega\cdot mΩm
20 104 67 8100 0.121
100 20.1

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}σU, MPaMPa \epsilon_LϵL, % Treatment
Alloy soft 400–500 40–50
Alloy solid 700–750 4–8

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy soft 850–950
Alloy solid 1750–1850

Casting and technological parameters

melting point, °C Hot working temperature, °C annealing temperature, °C
870 650–750 600–700

Standards

Standard Description
GOST 15527-2004

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Bi % Bismuth
Mn % Manganese
Cu % Copper
Zn % Zinc
Sb % Antimony
Al % Aluminium
Pb % Lead
P % Phosphorus

Description of physical characteristics

Parameter Units of measurement Description
E\cdot 10^{9}E109 MPaMPa Elastic modulus
\alpha\cdot 10^{6}α106 K^{-1}K1 Coefficient of thermal (linear) expansion (range 20°C–T)
\varkappaϰ \frac{W}{m\cdot K}WmK Coefficient of thermal conductivity (the heat capacity of the material)
\rhoρ \frac{kg}{m^3}kgm3 The density of the material
R\cdot 10^{-6}R106 \Omega\cdot mΩm Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
\sigma _{U}σU MPaMPa Ultimate tensile strength
\epsilon_LϵL % 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