E⋅109
MPa
α⋅106
K−1
ϰ
Wm⋅K
ρ
kgm3
R⋅10−6
Ω⋅m
σU
MPa
σY
MPa
ψ

BrTsr0.4

The temperature of hot processing semi-finished products 700−900 degrees Celsius.

For collectors of high-loaded and high-speed engines, various parts of radio engineering

Classification

Country Section Category
CIS, Russia, Ukraine Bronze Bronze, heatproof

Chemical composition

Standard Fe, % Cu, % Zr, %
GOST 614-97 < 0.03 99.4–99.7 0.3–0.5

Information on suppliers

Physical characteristics

Temperature, °C E\cdot 10^{9}E⋅109, MPaMPa \alpha\cdot 10^{6}α⋅106, K^{-1}K−1 \varkappaϰ, \frac{W}{m\cdot K}Wm⋅K \rhoρ, \frac{kg}{m^3}kgm3 R\cdot 10^{-6}R⋅10−6, \Omega\cdot mΩ⋅m
20 1.34 16.32 343 8930 19.3

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}σU, MPaMPa \sigma_{Y}σY, MPaMPa \psiψ, % d5, % Treatment
Round GOST 614-97 392 363 69 17

Standards

Standard Description
GOST 614-97
TU 48-21-222-72

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Cu % Copper
Zr % Zirconium

Description of physical characteristics

Parameter Units of measurement Description
E\cdot 10^{9}E⋅109 MPaMPa Elastic modulus
\alpha\cdot 10^{6}α⋅106 K^{-1}K−1 Coefficient of thermal (linear) expansion (range 20°C–T)
\varkappaϰ \frac{W}{m\cdot K}Wm⋅K 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}R⋅10−6 \Omega\cdot mΩ⋅m Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
\sigma_{Y}σY MPaMPa Yield strength
\sigma _{U}σU MPaMPa Ultimate tensile strength
\psiψ % Reduction in cross section on fracture