Submerged Arc Welding Technical Handbook - Esab
Submerged Arc Welding Technical Handbook - Esab
Submerged Arc Welding Technical Handbook - Esab
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OK Flux 10.76 – For high<br />
dilution applications<br />
OK Flux 10.76 is an<br />
agglomerated, basic flux for<br />
submerged arc welding. It is<br />
especially suited for welding<br />
joints with high dilution, such as<br />
I-joints with one run from each<br />
side and fillet welds. Due to its<br />
high alloying of mainly Mn, it<br />
creates a weld metal with<br />
outstanding toughness values<br />
in these joint types.<br />
It is used for single and multiwire<br />
procedures and works<br />
equally well on DC and AC<br />
current. On multi-pass welding<br />
the number of passes is limited<br />
and the plate thickness should<br />
not exceed about 20mm. OK<br />
Flux 10.76 is recommended to<br />
be used with OK Autrod 12.10.<br />
The main application area for<br />
OK Flux 10.76 is in shipbuilding,<br />
where it is used preferably for<br />
two run double-sided welding.<br />
However, it is also utilised in<br />
other market segments where<br />
joints with high dilution or with<br />
only a few passes are welded,<br />
such as the production of<br />
pressure vessels, in the<br />
transport industry and in<br />
general construction.<br />
Classification flux Basicity index Density Grain size<br />
EN 760: SA AB 1 89 AC 1.5 ~ 1.2 kg/dm 3 0.2 - 1.6 mm<br />
Slag type Polarity Alloy transfer<br />
Aluminate-basic DC+ / AC High Si and very high Mn alloying<br />
Flux consumption<br />
kg flux / kg wire<br />
Voltage DC+ AC<br />
26 0.7 0.6<br />
30 1.0 0.9<br />
34 1.3 1.2<br />
38 1.6 1.4<br />
Classification<br />
1,0<br />
0,8<br />
0,6<br />
0,4<br />
0,2<br />
0,0<br />
-0,2<br />
% Si pick-up<br />
from flux<br />
450 A<br />
750 A<br />
% Si in wire<br />
0,05 0,10 0,15 0,20 0,25 0,30<br />
Single wire, ø 4.0 mm, DC+, 30 V, 60 cm/min<br />
% Mn pick-up<br />
from flux<br />
2,2<br />
1,8<br />
1,4<br />
1,0<br />
0,6<br />
0,2<br />
-0,2<br />
450 A<br />
750 A<br />
% Mn in wire<br />
0,5 1,0 1,5 2,0<br />
Wire<br />
Weld metal<br />
OK Autrod EN / AWS EN / AW AWS / AW AWS / PWHT<br />
12.10 S1 / EL12 S 42 3 AB S1 A5.17: F7A4-EL12 A5.17: F7P4-EL12<br />
Approvals*<br />
ABS BV DNV GL LR TÜV DB CE<br />
OK Flux 10.76 x x<br />
with OK Autrod<br />
12.10 3YTM 3YTM III YTM 3YTM 3YTM x x<br />
*For a full approval listing, view the Product Data Sheet or contact ESAB<br />
Typical weld metal chemical composition (%), DC+<br />
With OK Autrod C Si Mn Cr Ni Mo Other<br />
With OK Autrod<br />
12.10 0.06 0.5 1.9<br />
Typical weld metal mechanical properties, DC+<br />
ReL / Rp0.2<br />
(MPa)<br />
Rm<br />
(MPa)<br />
A4 / A5<br />
(%)<br />
CVN<br />
(J at °C)<br />
With OK Autrod 0 -20 -30 -40<br />
12.10 450 540 25 100 70 55 45 AW<br />
12.10 420 520 25 90 65 40 SR<br />
AW/<br />
SR<br />
For more information view the Product Data Sheets or contact ESAB.<br />
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