LMts58-2

Sheets, bars, rods, wire for instrument; wire and rods for gas welding and brass welding of carbon steel

Classification

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

Chemical composition

Standard Fe, % Bi, % Mn, % Cu, % Zn, % Sb, % Pb, % P, %
GOST 15527-2004 < 0.5 < 0.002 1–2 57–60 35.8–42 < 0.005 < 0.1 < 0.01

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 105 71.2 8400 0.108
100 21.2 0.3726

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Round compacting 390 25
Round half-firm, solid 410–440 20
Tape solid, cold rolling 590 3
Tape soft, cold rolling 380–470 30
Tape hot rolling 390 25

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Sheet soft 0–0
Sheet solid 0–0
Round half-firm, solid 1250–1300
Round compacting 0–0

Casting and technological parameters

melting point, °C Hot working temperature, °C annealing temperature, °C
880 650–750 600–650

Coefficients of Friction

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

Analogues

Germany USA
SoMs58 C67410

Standards

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Bi % Bismuth
Mn % Manganese
Cu % Copper
Zn % Zinc
Sb % Antimony
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