Characteristics for grade D19 ( Д19 )
| Grade : | D19 (Д19) (1190) |
| Classification : | Aluminium wrought alloys |
| Equivalent grades: | Is absent |
Chemical composition (%) for grade D19 (Д19)
| Fe | Si | Mn | Ti | Al | Cu | Be | Mg | Zn | Impurity |
|---|
| max 0.5 | max 0.5 | 0.5 - 1 | max 0.1 | 91.095 - 94 | 3.8 - 4.3 | 0.0002 - 0.005 | 1.7 - 2.3 | max 0.1 | other, each 0.05; all 0.1 |
Comment: Al is a basis; the percentage of Al is approximate.
Mechanical properties at 20°C for grade D19 (Д19)
| Assortment | Dimension | Direction | σв (MPa) | σT (MPa) | δ5 (%) | ψ (%) | KCU (kJ/m²) | Heat treatment |
|---|
| Profile | - | - | 460 | 340 | 12 | - | - | - |
| Plate, GOST 17232-99 | - | - | 345-420 | 245-275 | 3-7 | - | - | Hardening and ageing |
Physical properties for grade D19 (Д19)
| T (°C) | E (MPa) | 1/Grade | λ (W/m·°C) | ρ (kg/m³) | C (J/kg·°C) | R (Ω·m) |
|---|
| 20 | 0.7 | - | - | 2760 | - | 61 |
| 100 | - | 20.3 | 138 | - | 880 | - |
Types of delivery
Specification
| σв | - Tensile strength, [MPa] |
| σT | - Yield stress, [MPa] |
| δ5 | - Specific elongation at fracture, [%] |
| ψ | - Reduction of area, [%] |
| KCU | - Impact strength, [kJ/m²] |
| HB | - Brinell hardness, [MPa] |
| T | - Test temperature, [°C] |
| E | - Young modulus, [MPa] |
| α | - Coefficient of linear expansion (20°C - T), [1/°C] |
| λ | - Thermal conductivity, [W/(m·°C)] |
| ρ | - Density, [kg/m³] |
| C | - Specific heat, [J/(kg·°C)] |
| R | - Electrical resistance, [Ω·m] |
