D19 (1190)

For the power elements of the structures of aircraft, car bodies, pipes, etc., operating at temperatures up to 200−250 degrees.

Classification

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

Chemical composition

Standard Fe, % Si, % Be, % Mg, % Mn, % Ti, % Cu, % Zn, % Al, %
GOST 4784-97 < 0.5 < 0.5 0.0002–0.005 1.7–2.3 0.5–1 < 0.1 3.8–4.3 < 0.1 91.095–94

Information on suppliers

Physical characteristics

Temperature, °C E⋅109, MPa α⋅106, K−1 ϰ, Wm⋅K ρ, kgm3 c⋅10−3, Jkg⋅K R⋅10−6, Ω⋅m
20 70 2760 0.061
100 20.3 138 0.88

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers σU, MPa σP, MPa ϵL, % Treatment
Profile 460 340 12
Sheet 345–420 245–275 3–7 Quenching and aging

Standards

Standard Description
GOST 4784-97

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Be % Beryllium
Mg % Magnesium
Mn % Manganese
Ti % Titan
Cu % Copper
Zn % Zinc
Al % Aluminium

Description of physical characteristics

Parameter Units of measurement Description
E⋅109 MPa Elastic modulus
α⋅106 K−1 Coefficient of thermal (linear) expansion (range 20°C–T)
ϰ Wm⋅K Coefficient of thermal conductivity (the heat capacity of the material)
ρ kgm3 The density of the material
c⋅10−3 Jkg⋅K The specific heat of the material (range 20°C–T)
R⋅10−6 Ω⋅m Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
σU MPa Ultimate tensile strength
σP MPa Proportionality limit
ϵL % Elongation at break (longitudinal)