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Grade : | 1925 ( 1925 ) |
Classification : | Aluminium wrought alloys |
Equivalent grades: | Go here |
Fe | Si | Mn | Cr | Ti | Al | Cu | Zr | Mg | Zn | Impurity |
max 0.7 | max 0.7 | 0.2 - 0.7 | max 0.2 | max 0.1 | 90.8 - 95 | max 0.8 | 0.1 - 0.2 | 1.3 - 1.8 | 3.4 - 4 | other, each 0.05; all 0.1 |
Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
- | mm | - | MPa | MPa | % | % | kJ / m2 | - |
Pipe, GOST 18482-79 | 245-335 | 145-195 | 10 | |||||
Bar, GOST 21488-97 | 295 | 12 | Annealing | |||||
Bar, GOST 21488-97 | 285 | 175 | 10 | Hardening and ageing | ||||
Profile, GOST 8617-81 | 275-343 | 176-196 | 9-12 |
T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
20 | 2770 |
Inter | |
ISO | |
|
B52 - Graded and shaped rolling |
B55 - Bars |
B64 - Pipes of non-ferrous metals and alloys |
Mechanical properties : | |
sв | - Tensile strength , [MPa] |
sT | - Yield stress, [MPa] |
d5 | - Specific elongation at fracture , [ % ] |
y | - Reduction of area , [ % ] |
KCU | - Impact strength , [ kJ / m2] |
HB | - Brinell hardness , [MPa] |
Physical properties : | |
T | - Test temperature , [Grade] |
E | - Young modulus , [MPa] |
a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
r | - Density , [kg/m3] |
C | - Specific heat ( range 20o - T ), [J/(kg·Grade)] |
R | - Electrical resistance , [Ohm·m] |
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