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OK 48.04

AC/DC, general purpose, LMA electrode for welding mild and low alloy steels. It has very good welding properties and deposits a high quality weld metal with good mechanical properties. The electrode can be used for welding restrained structures where high stresses cannot be avoided.

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Highlights

Process

Specifications
Classifications SFA/AWS A5.1 : E7018
EN ISO 2560-A : E 42 4 B 32 H5
Approvals ABS : E7018
ABS : 3Y H5
BV : 3Y H5
CE : EN 13479
DNV-GL : 3 YH5
LR : 3Y H15
PRS : 3Y H5
UKCA : EN 13479
VdTÜV : 0

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

Welding Current AC, DC+(-)
Diffusible Hydrogen < 5.0 ml/100g
Alloy Type Carbon Manganese
Coating Type Basic covering
Min AC OCV 65 V
Tensile_Properties
Testing Condition Yield Strength Tensile Strength Elongation
ISO
As Welded 480 MPa 560 MPa 28 %
Charpy Testing
Testing Condition Testing Temp Impact Value
ISO
As Welded -40 °C 100 J
Charpy Testing
Testing Condition Testing Temp Impact Value
ISO
As Welded -40 °C 100 J
Deposition Data
Diameter Amps Volts Efficiency (Per) Fusion time per electrode at 90Per I max Deposition rate at 90Per
2.5 x 350 mm 75-110 A 23 V 64 % 59 sec 1.0 kg/h
3.2 x 350 mm 90-155 A 22 V 63 % 62.4 sec 1.37 kg/h
3.2 x 450 mm 90-155 A 25 V 67 % 92 sec 1.5 kg/h
4.0 x 450 mm 125-200 A 26 V 68 % 101 sec 2.0 kg/h
5.0 x 450 mm 190-260 A 26 V 72 % 106 sec 2.8 kg/h
Description Product Number
OK 48.04 2.5×350mm 4804253000
OK 48.04 3.2×450mm 4804324000
OK 48.04 4.0×450mm 4804404000
OK 48.04 5.0×450mm 4804504000
OK 48.04 2.5×350mm 1/4 VP 48042530K0
OK 48.04 3.2×350mm 1/2 VP 48043230G0
OK 48.04 3.2×450mm 1/2 VP 48043240G0
OK 48.04 4.0×450mm 3/4 VP 48044040V0

Fact Sheets

factsheet_icon

OK 48.04

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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