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Grade : | 1985ch ( 1985ч ) |
Classification : | Aluminium wrought alloys |
Equivalent grades: | Is absent |
Fe | Si | Mn | Cr | Ti | Al | Cu | Zr | Be | Mg | Zn | Impurity |
max 0.3 | max 0.2 | 0.25 - 0.5 | 0.1 - 0.2 | max 0.07 | 89.67 - 92.22 | max 0.1 | 0.08 - 0.2 | 0.0002 - 0.005 | 5 - 5.9 | 2.2 - 2.8 | other, each 0.05; all 0.1 |
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 | 2700 |
B52 - Graded and shaped rolling |
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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