MIL-DTL-45225F(MR)
TABLE I.
Chemical composition (percent).
Tita- Zirco- Others,
Others
Silicon,
Copper,
Manga-
Mag-
Chro-
nium, nium, each,
total,
Alum-
inum 1/
Alloy
max.
Iron, max.
nese
nesium
mium
Zinc
max.
max.
max.
max.
5083
0.40
0.40
0.10
0.40
4.0-
0.05-
0.25
0.15
-
0.05
0.15
Rem.
1.0
4.9
0.25
max.
5456
2/
2/
0.10
0.50-
4.7-
0.05
0.25
0.20
-
0.05
0.15
Rem.
1.0
5.5
0.20
max.
7039
0.30
0.40
0.10
0.10-
2.3-
0.15-
3.5-
0.10
-
0.05
0.15
Rem.
0.40
3.3
0.25
4.5
A1-Zn-Mg 0.30
0.40
0.10
0.10-
2.0-
0.06-
3.5-
0.10 0.20
0.05
0.15
Rem.
0.70
3.8
0.25
5.0
____________________________________________________________________________________________________
1/ By difference.
2/
Silicon 0.25 percent maximum and iron 0.40 percent maximum.
Mechanical properties.1/
TABLE II.
Tensile
Yield strength,
Thickness,
strength,
0.2% offset,
Elongation,
Alloy
Direction
inches
min., Ksi
min., Ksi
min. percent
Type I
Class A
Longitudinal
0.750 to 3.000, incl.
42.0
33.0
7
Transverse
0.750 to 3.000, incl.
40.0
32.0
4
Class B
Longitudinal
0.750 to 4.000, incl. 57.0
48.0
8
Transverse
0.750 to 4.000, incl. 54.0
45.0
4
_______________________________________________________________________________________________
1/ See 6.9.
4
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