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Alternative
Designations :AS 1050;
BS 1050A (formerly S1B); DIN Al99.5; EN AW - 1050A; JIS A1050P;
NF A 1050A (formerly NF A5)
Note: 1050A
alloy is normally produced to BS 1470 specifications, but other
National Standards may be met on request.
| Chemical
Composition: |
Other
elements
|
|
|
Si
|
Fe
|
Cu
|
Mn
|
Mg
|
Zn
|
V |
Ti
|
Each
|
Al
|
|
(% max) 1050
|
0.25
|
0.4
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.03
|
0.03
|
99.50min
|
|
1050A
|
0.25
|
0.4
|
0.05
|
0.05
|
0.05
|
0.07
|
|
0.05
|
0.03
|
99.50min
|
Characteristics:
| |
Corrosion Resistance |
:
|
: Excellent |
|
Anodising |
:
|
: Excellent |
|
Formability |
:
|
: Excellent |
|
Machinability |
:
|
: Poor |
|
Weldability |
:
|
: Excellent |
|
Brazeability |
:
|
: Excellent |
Typical Uses
General sheet metal work where moderate strength is adequate; lightly
stressed panels; architectural flashings; name plates; lamp reflectors;
brightly polished trim; cable sheathing; equipment and containers
for food and chemical industries.
Note:
Special grades are available for deep drawing, low earing, spinning
and anodising; general purpose grades should not be used for these
applications.
Availability:
|
Cut-To-Length
Sheet
|
| Temper |
H12/F9
|
H14/F11
|
H16
|
H18/F13
|
H19/F15
|
O, H111, W7
|
H22/G9
|
H24/G11
|
H26
|
H28/G13
|
| Thickness |
0.5
- 3.0
|
0.5
- 2.4
|
0.5
- 3.2
|
0.5
- 2.8
|
0.5
- 1.6
|
1.2
- 3.2
|
0.5
- 2.2
|
0.5
- 3.2
|
0.5
- 3.0
|
0.5
- 2.0
|
| Min.
Width |
750
|
750
|
750
|
750
|
750
|
900
|
750
|
750
|
750
|
750
|
| Max.
Width |
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
| Min.
Length |
800
|
800
|
800
|
800
|
800
|
1000
|
800
|
800
|
800
|
800
|
| Max.
Length |
6100
|
6100
|
6100
|
6100
|
6100
|
6100
|
6100
|
6100
|
6100
|
6100
|
|
Coiled
Sheet
|
|
Temper
|
H12/F9
|
H14/F11
|
H16
|
H18/F13
|
H19/F15
|
O, H111, W7
|
H22/G9
|
H24/G11
|
H26
|
H28/G13
|
| Thickness |
0.3
- 3.0
|
0.3
- 2.4
|
0.3
- 3.2
|
0.3
- 2.8
|
0.3
- 1.6
|
0.3
- 3.2
|
0.3
- 2.2
|
0.3
- 3.2
|
0.3
- 3.0
|
0.3
- 2.0
|
| Min.
Width |
750
|
750
|
750
|
750
|
750
|
750
|
750
|
750
|
750
|
750
|
| Max.
Width |
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
1560
|
|
Slit
Coils Minimum Widths, mm
|
|
Thickness
(mm)
|
Temper
|
|
H2X
|
|
|
H3X
|
O
|
|
FX
|
W17
|
| Over |
Up
To |
GX
|
H111
|
|
0.29
|
0.39
|
200
|
Not Avail.
|
|
0.39
|
0.46
|
200
|
450
|
|
0.46
|
0.50
|
200
|
300
|
|
0.50
|
0.60
|
90
|
200
|
|
0.60
|
0.70
|
90
|
150
|
|
0.70
|
0.80
|
90
|
100
|
|
0.80
|
1.25
|
60
|
100
|
|
1.25
|
1.80
|
100
|
100
|
|
1.80
|
2.50
|
150
|
130
|
|
Circles
|
|
Temper
|
H12/F9
|
H14/F11
|
H16
|
H18/F13
|
H19/F15
|
O, H111, W7
|
H22/G9
|
H24/G11
|
H26
|
H28/G13
|
| Thickness |
0.9
- 3.0
|
0.9
- 2.4
|
0.9
- 3.2
|
0.9
- 2.8
|
0.9
- 1.6
|
0.9
- 3.2
|
0.9
- 2.2
|
0.9
- 3.2
|
0.9
- 3.0
|
0.9
- 2.0
|
| Min.
Dia.(B) |
500
(150)
|
500
(150)
|
500
(150)
|
500
(150)
|
500
(150)
|
500
(150)
|
500
(150)
|
500
(150)
|
500
(150)
|
500
(150)
|
| Max.
Dia.(B) |
1550
(660)
|
1550
(660)
|
1550
(660)
|
1550
(660)
|
1550
(660)
|
1550
(660)
|
1550
(660)
|
1550
(660)
|
1550
(660)
|
1550
(660)
|
(B) : Blanked only. Sizes not inside
bracket refer to sheared circle sizes available.
|
MECHANICAL
PROPERTIES (TO BS 1470)
|
|
|
|
|
|
|
|
|
|
Gauge, mm
|
Tensile Str., N/mm²
|
Elongation
|
|
Temper
|
Min.
|
Less than
|
Min.
|
Max.
|
in 50 mm, %
|
|
O
|
0.50
|
0.80
|
55
|
95
|
22
|
|
|
0.80
|
1.30
|
|
|
25
|
|
|
1.30
|
2.60
|
|
|
30
|
|
|
2.60
|
3.00
|
|
|
32
|
|
|
3.00
|
3.20
|
|
|
32
|
|
H12
|
0.50
|
0.80
|
80
|
115
|
4
|
|
|
0.80
|
1.30
|
|
|
6
|
|
|
1.30
|
2.60
|
|
|
8
|
|
|
2.60
|
3.00
|
|
|
9
|
|
H14
|
0.50
|
0.80
|
100
|
135
|
4
|
|
|
0.80
|
1.30
|
|
|
5
|
|
|
1.30
|
2.40
|
|
|
6
|
|
H18
|
0.50
|
0.80
|
135
|
|
3
|
|
|
0.80
|
1.30
|
|
|
3
|
|
|
1.30
|
2.60
|
|
|
4
|
|
|
2.60
|
2.80
|
|
|
4
|
Modulus of Elasticity:
69,000 MPa
Bend Radii: Minimum recommended
radii for 90º cold bends
|
Thickness
|
|
Temper
|
0.4mm
|
0.8mm
|
1.6mm
|
3.0mm
|
|
O
|
0t
|
0t
|
0t
|
0t
|
|
H12, H22
|
0t
|
0t
|
0t
|
0.5t
|
|
H14, H24
|
0t
|
0t
|
0t
|
1t
|
|
H16, H26
|
0t
|
0.5t
|
1t
|
1.5t
|
|
H18
|
1t
|
1t
|
1.5t
|
2.5t
|
t = Thickness
Welding:
1050 is readily welded by the TIG and MIG processes. Commonly used
filler alloys are 4043 and 1050. 4043 gives a greater weld strength,
but if the assembly is to be anodized, 1050 filler metal will give
a closer color match.
1050 may also be gas
welded or resistance welded, but the resulting joints are not as
strong or as corrosion resistant as the inert gas welded joints.
Moreover, gas welding could result in excessive heat distortion
and, in thinner gauges, may burn through. It is essential that all
traces of flux used in welding or brazing are removed by scrubbing
with hot water upon completion.
Annealing: 350ºC
± 5ºC, until all parts have reached the annealing temperature.
Weight Calculation:
Weight per square metre in kilogrammes: 2.71 x thickness in mm.

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