ESAB 48005040V0 Unitrode OK 48.00 VacPac 7018 5.0mm x 450mm (16.0kg)

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ESABOur Code: 0421 ESAB's Code: 48005040V0 Shelf: EPS01 Group: 006

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Features

  • General-purpose electrode for manual metal arc welding of carbon and carbon manganese steels
  • Basic covering coating for outstanding low moisture absorption
  • H4 R approved for low diffusible hydrogen to reduce cold cracking risk
  • Deposits tough, crack-resistant weld metal with excellent mechanical properties
  • High welding speed and exceptional weldability in vertical-up position
  • Smooth, stable arc with self-released slag for minimal spatter and easy cleanup
  • DC+(-) current compatibility for AC/DC welding equipment flexibility
  • Tested per NACE TM0177 and TM0284 with diffusible hydrogen below 3 ml/100 g (<4.0 ml/100 g)
  • Typical tensile properties: 475 MPa yield strength, 565 MPa tensile strength, 29 % elongation
  • Charpy V-Notch impact values: 130 J @ –30 °C (AWS) and 115 J @ –40 °C (ISO)
  • Typical weld metal analysis: C 0.06 %, Mn 1.1 %, Si 0.5 %
  • Deposition rate of 2.61 kg/h at 190–260 A and 24 V for 5.0 mm × 450 mm electrodes
  • VacPac 16 kg packaging for convenient storage and handling
  • Approved by major classification societies including ABS, BV, CE, DNV-GL, LR, PRS, RINA, UKCA, VdTÜV

Specifications

Last Modified 28/06/2025, 08:25:23
Weight 16 kg
Length 45 cm
Width 0.5 cm
Data Sheet https://spectrumweldingsupplies.co.uk/wp-content/uploads/2024/01/ESAB-OK-48.00-VacPac-7018-mild-steel-electrodes.pdf
Classifications SFA/AWS A5.1 : E7018 H4 R; EN ISO 2560-A : E 42 4 B 42 H5
Approvals ABS : 3Y H5; BV : 3Y H5; CE : EN 13479; DB : 10.039.12; DNV-GL : 3 YH5; LR : 3Y H5; PRS : 3Y H5; RINA : 3Y H5; UKCA : EN 13479; VdTÜV : 00690
Welding Current DC+(-)
Diffusible Hydrogen < 4.0 ml/100g
Alloy Type Carbon Manganese
Coating Type Basic covering
Yield Strength 475 MPa
Tensile Strength 565 MPa
Elongation 29 %
Charpy Impact (AWS @ -30 °C) 130 J
Charpy Impact (ISO @ -40 °C) 115 J
Carbon Content 0.06 %
Manganese Content 1.1 %
Silicon Content 0.5 %
Deposition Rate (5.0 mm × 450 mm) 2.61 kg/h

Summary

The ESAB 48005040V0 Unitrode OK 48.00 VacPac 7018 is a versatile electrode for manual metal arc welding of carbon and carbon manganese steels. It deposits a tough, crack-resistant weld metal with low moisture absorption, ensuring high welding speed and efficiency, especially in vertical-up positions. It is insensitive to base material composition and suitable for structures under stress. Features include low diffusible hydrogen, outstanding moisture resistance, and exceptional weld appearance. 4 R approved.

A reliable, general purpose electrode for manual metal arc welding of carbon steels, carbon manganese steels and fine-grained carbon manganese steels with elevated yield strength. 

OK 48.00 deposits a tough, crack-resistant weld metal.  

The coating is of the low moisture absorption type. High welding speed in the vertical-up position 

OK 48.00 is insensitive to the composition of the base material within fairly wide limits.  

The electrode can be used for welding structures where difficult stress conditions cannot be avoided 

4 R approved 

Low diffusible hydrogen to reduce the risk for cold cracking 

Outstanding low moisture pick up 

High efficiency bringing productivity 

Extremely good weldability in vertical up position 

Exceptional weld appearance

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