Chemical composition in % of the material АL28 ( АЛ28 ) .
Fe
Si
Mn
Ti
Al
Cu
Zr
Mg
Impurity
max 0.5
max 0.3
0.4 - 1
0.05 - 0.15
91.85 - 94.75
max 0.3
max 0.1
4.8 - 6.3
all 0.7
Comment: Al is a basis; the percentage of Al is given approximately.
Mechanical properties under Т=20oС of the material АL28 ( АЛ28 ) .
Assortment
Dimension
Direct.
sв
sT
d5
y
KCU
Heat treatment
-
mm
-
MPa
MPa
%
%
kJ / m2
-
200-210
3.5-5
Brinell hardness of the material АL28 ( АЛ28 ) ,
HB 10 -1= 55 MPa
Specification :
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]
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