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OK 43.39

Easy to use rutile electrode for welding in all positions except vertical down. Good slag detachability.

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Highlights

Process

Specifications
Classifications SFA/AWS A5.1 : E6013
EN ISO 2560-A : E 42 0 RR 12
Approvals CE : EN13479
UKCA : EN13479

Approvals are based on factory location. Please contact ESAB for more information.

Welding Current AC, DC+-
Alloy Type Carbon Manganese
Coating Type Rutile thick covering
Min AC OCV 50V
Tensile_Properties
Testing Condition Yield Strength Tensile Strength Elongation
ISO
As Welded 460 MPa 520 MPa 27 %
Charpy Testing
Testing Condition Testing Temp Impact Value
ISO
As Welded 0 °C 60 J
Typical Weld Metal Analysis %
C Mn Si
0.07 0.5 0.35
Deposition Data
Diameter Amps Volts Efficiency (Per) Fusion time per electrode at 90Per I max Deposition rate at 90Per
2.0 x 300 mm 50-80 A 23 V 54 % 36 sec 0.6 kg/h
2.5 x 300 mm 50-110 A 25 V 54 % 42 sec 0.8 kg/h
2.5 x 350 mm 50-110 A 25 V 54 % 46 sec 0.9 kg/h
3.2 x 450 mm 80-140 A 26 V 54 % 74 sec 1.3 kg/h
4.0 x 450 mm 120-210 A 27 V 54 % 76 sec 1.9 kg/h
5.0 x 450 mm 170-290 A 26 V 56 % 87 sec 2.5 kg/h

Fact Sheets

factsheet_icon

OK 43.39

Welding Invented

When our founder Oscar Kjellberg developed the world's first coated welding electrode in 1904, he launched a company whose innovation and uncompromising standards have helped create the history of welding itself. This legacy continues in the quality, performance, and continuous development of the mild steel welding electrodes we make today.

Consistent Performance and Quality, Every Time

Performance is still what sets ESAB covered electrodes apart. No matter the job at hand, with ESAB mild steel and low hydrogen electrodes you are assured of good penetration, consistent mechanical properties, and X-ray quality welds from batch to batch.

Setting the Standard in Covered Electrodes

ESAB covered electrodes exceed industry criteria for low moisture pick up (moisture pick up 0 to 1000°C < 0.4 after 9 hours at 274°C, 80% HR). You can trust ESAB low hydrogen and mild steel electrodes to deliver tough mechanical properties in high or low temperature environments, high humidity worksites, or the most challenging positional welding projects. Plus, their easy-to-use nature make them a simple choice for welders of all skill levels.

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