B95 (1950)

For the manufacture of high-loaded structures, working mainly in compression

Classification

Country Section Category
CIS, Russia, Ukraine Aluminum, aluminum alloys Wrought Aluminum Alloys

Chemical composition

Standard Fe, % Si, % Mg, % Mn, % Cr, % Ti, % Cu, % Zn, % Ni, % Al, %
GOST 4784-97 < 0.5 < 0.5 1.8–2.8 0.2–0.6 0.1–0.25 < 0.05 1.4–2 5–7 < 0.1 86.3–91.5

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\rho$$, $$\frac{kg}{m^3}$$
20 74 2850
100 23.2

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Trumpet 490–510 375–400 5–7
Round GOST 21488-97 490–530 390–420 4–6 Hardening and artificial aging
Round high strength 550–570 480–490 6 Hardening and artificial aging
Tape annealing 245 10
Profile annealing 275 10
Profile 510–520 451–461 6
Sheet 470–490 390–410 2–4 Hardening and artificial aging

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy 125
Alloy Hardening, aging 150

Analogues

Germany USA
3.4365 7075

Standards

Standard Description
GOST 4784-97

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mg % Magnesium
Mn % Manganese
Cr % Chrome
Ti % Titan
Cu % Copper
Zn % Zinc
Ni % Nickel
Al % Aluminium

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)
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)