| 2
S |
Physico-
chemical Data |
Type
of welding alloy |
Area
of welding
Properties |
Base
Metal |
Flux |
Welding
process |
Welding
alloy
composition
|
Si:
11 %
Mn:
0,5 %
Al:
Rest
|
DIN
1732 :
S-AlSi12
|
Welding
of Al-Si-cast-alloys with 7% Si as main alloy constituent.
Conditionally usable for brazing.
|
AlSi-cast-alloys
with > 7% Si as main constituent |
For
gas fusion welding:
Supra 21
Normal
23
|
Gas
fusion welding
TIG
welding
MIG
welding
|
| Tensils
strength2
of the
weld seam |
100-150
N/mm2 |
| Melting
range |
570
– 585 °C |
|
|
|
| 4
S |
Physico-
chemical Data |
Type
of welding alloy |
Area
of welding
Properties |
Base
Metal |
Flux |
Welding
process |
| Welding
alloy composition
|
Al
+ Ti: 99,5
%
Ti:
0,1 %
|
DIN
1732:
S-Al99,5 Ti |
Ti-content
promotes grain refinement.
Conditional
use for
Al 99,8 and Al 99,7.
|
Al
99,9
Al 99,5
Al 99 |
For
gas fusion welding:
Supra 21
Normal
23
|
Gas
fusion welding
TIG
welding
MIG
welding
|
| Tensils
strength2
of the
weld seam |
60-80
N/mm2 |
| Melting
range |
650
– 660 °C |
|
|
|
| 5
S |
Physico-
chemical Data |
Type
of welding alloy |
Area
of welding
Properties |
Base
Metal |
Flux |
Welding
process |
| Welding
alloy composition |
Si:
5 %
Al:
Rest
|
DIN
1732:
S-AlSi5
|
Conditional
use for pure aluminium and aluminium-alloys with up to 2 % Mg and Al-alloys
with up max. 7% Si |
AlSi
5
AlMgSi 0,5
AlMgSi 0,8
AlMgSi 1 |
For
gas fusion welding:
Supra 21
Normal
23
|
Gas
fusion welding
TIG
welding
MIG
welding
|
| Tensils
strength2
of the
weld seam |
65
– 85 N/mm2
|
| Melting
range |
570 –
625 °C |
|
|
|
| 8
S |
Physico-
chemical Data |
Type
of welding alloy |
Area
of welding
Properties |
Base
Metal |
Flux |
Welding
process |
| Welding
alloy composition
|
Mg:
2,6 %
Mn:
0,5 %
Cr:
0,3 %
Ti:
0,1 %
Al:
Rest
|
DIN
1732:
S-AlMg3
|
By
welding AlMgSi 0,5 and AlMgSi 0,8, the welding seam is not as significant
as 5S is used.
Welding technique as 8 s, however is more unfavourable.
|
AlMg3
AlMgMn
AlMg1
AlMg2
AlMgSi0,5
AlMgSi0,8
G-AlMg3
G-AlMg3 (Cu)
G-AlMg3 Si |
For
gas fusion welding:
Supra 21
Normal
23
Magna
41
|
Gas
fusion welding
TIG
welding
MIG
welding
|
| Tensils
strength2
of the
weld seam |
75
– 95 N/mm2 |
| Melting
range |
580
– 640 °C |
|
|
