OK Flux 10.81LHS

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Agglomerated aluminate-basic flux for Submerged Arc Welding. It is specially designed for fillet welding applications at high speeds primarily with single & twin wire systems. Major applications include beams fabrication, general construction etc. Due to high Mn & Si alloying, this is intended for limited number of passes and plate thickness up to about 25 mm.


Grade S A AB 1 77 DC
Name EN ISO 14174

Consumable Characteristics

Alloy Transfer Silicon and Manganese alloying
Basicity Index nom: 1.0
Grain Size 0.2-1.2 mm
Slag Type Aluminate-basic


AWS - As Welded A5.17: F7AZ-EM12K
AWS - PWHT A5.17: F7PZ-EM12K
SFA/AWS - EN ISO A5.17: EM12K / 14171-B: SU21
Wire OK Autrod 12.22L
*Selected production units only. Please contact ESAB for more information. Visit to download specific flux/wire combination fact sheets for more details.

Typical Mechanical Properties

Combined with Wire Condition Yield Strength Tensile Strength Charpy V-Notch Elongation
OK Autrod 12.22L As Welded AWS DC+ 420 MPa 540 MPa 70 J 30 %
OK Autrod 12.22L Stress Relieved AWS DC+ 460 MPa 510 MPa 40 J 30 %

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Si
OK Autrod 12.22L DC+ 550A, 29V
0.06 % 1.90 % 0.70 %

How to purchase OK Flux 10.81LHS

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Part Numbers and Accessories

Part Numbers : OK Flux 10.81LHS