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AP 380
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DIN EN 760
SA AB 1 67 AC H5
Application / Properties:
Agglomerated
alominate-basic type
flux for welding of mild
and medium steels. AP380
produces a slight
silicon and manganese
pick-up.
Owing to its
metallurgical behavior,
it can be used with S2Mo
and S3Mo wire
electrodes.
It is suitable for
longitudinal welding
system. The flux has a
high current carrying
capacity and as such is
suitable for fillet and
butt welding
applications especially
for weld in heavy
section steels work. The
weld bead is of uniform
profile with smooth weld
bead profile and good
blending at the weld
toes even at high
welding speeds.
The slag detachment is
good and in most cases
is self-lifting.
AP380 can be used on
either. DC (positive) or
AC up to 1200 A on a
single wire.
Damp flux shall be
retried by baking at
300-350°C
Grain size in according
with DIN 32 522:2-18.
Main constituents:
|
SiO2+TiO2 |
CaO+MgO |
Al203 + MnO |
CaF2 |
|
|
%20 |
%25 |
%35 |
%15 |
|
Basicity as to boniszewsk:
~1.5
All-Weld metal
analysis (typical
values):
|
Weight-% |
|
|
With
Wire electrode |
C |
Si |
Mn |
Mo |
|
50-11 |
0.06 |
0.15 |
0.8 |
- |
|
50-12 |
0.06 |
0.2 |
1.3 |
- |
|
50-14 |
0.05 |
0.2 |
1.2 |
0.5 |
|
50-18 |
0.09 |
0.3 |
1.8 |
- |
Mechanical properties
of all-weld metal (typical
values) :
|
With Wire electrode |
Yield Strength
(N/mm2) |
Tensile Strength
(N/mm2) |
Elongation
A5(%) |
ISO-V Impact
energy (j)
-200C -400C
-600C |
|
|
50-11 |
360 |
470 |
26 |
120
60
- |
|
|
50-12 |
420 |
510 |
28 |
140
90 50 |
|
|
50-14 |
490 |
580 |
25 |
90
50
- |
|
|
50-18 |
480 |
580 |
26 |
105
65
50 |
|
Mechanical properties
of welded joint (typical
values) :
X65 plates-weld from
both sides in one pass
|
With Wire electrode |
Yield Strength
(N/mm2) |
Tensile Strength
(N/mm2) |
Elongation
L0=5d(%)(%) |
ISO-V Impact
energy (j)
-200C -300C
-400C |
|
|
50-12 |
390 |
470 |
- |
90
70
50 |
|
|
50-14 |
485 |
590 |
- |
70
50
- |
|
|
