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ESAB OK 55.00 Low Hydrogen Welding Electrodes E7018-1H4 – Carton

SKU: ESABOK5500
/5
  • Reliable, high-quality LMA electrode for welding high strength low-alloy steels.
  • Good low-temperature impact strength and resistance to hot cracking.
  • Meets AWS A5.1 E7018-1H4R specifications.
  • Low hydrogen content (<3 ml/100g) for high-quality welds.
  • All-position welding capabilities.
  • Easy to use and produces smooth, consistent welds.
  • Ideal for welding in demanding applications such as shipbuilding, pressure vessels, and structural steelwork.

£273.04£394.44

Worldwide Delivery
Rated excellent on Google
Over 50 years welding expertise
Free delivery over £85 inc. VAT
2.5mm x 350mm 1/2 VP
2.5 x 350mm
3.2 x 350mm
3.2mm x 450mm 1/2 VP
3.2mm x 450
3.2 x 350mm 1/2 VP
3.2mm x 350mm 3/4 VP
3.2mm x 450mm 3/4 VP
4.0 x 450mm
4.0 x 350mm
4.0 x 450mm 1/2 VP
4.0 x 450mm 3/4 VP
5.0mm x 450mm 3/4 VP
6.0mm x 450mm 3/4 VP

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Description

OK 55.00 is a reliable, high-quality, LMA electrode, particularly suitable for welding high strength low-alloy steels. The good, low-temperature impact strength of the weld metal should be noted. The weld metal is also very resistant to hot cracking. The electrode is also suitable for welding high strength ships stell, grades A, D and E. Tested according to NACE TM0177 and TM0284. Diffusible Hydrogen tested in various conditions show values below 3 ml/100g.

 

Ordering

Description Part No.
ESAB OK 55.00 2.5 x 350mm – Carton 5500253500
ESAB OK 55.00 3.2 x 350mm – Carton 5500323500
ESAB OK 55.00 4.0 x 350mm – Carton 5500403500
ESAB OK 55.00 3.2 x 450mm – Carton 5500324500
ESAB OK 55.00 4.0 x 450mm – Carton 5500404500
ESAB OK 55.00 5.0 x 450mm – DISCONTINUED 5500504500
ESAB OK 55.00 6.0 x 450mm – DISCONTINUED 5500604500
ESAB OK 55.00 2.5 x 350mm 1/2 VP – Carton 55002535G0
ESAB OK 55.00 3.2 x 350mm 1/2 VP – Carton 55003235G0
ESAB OK 55.00 3.2 x 450mm 1/2 VP – Carton 55003245G0
ESAB OK 55.00 4.0 x 450mm 1/2 VP – Carton 55004045G0
ESAB OK 55.00 5.0 x 450mm 1/2 VP – DISCONTINUED 55005045G0
ESAB OK 55.00 3.2 x 350mm 3/4 VP – Carton 55003235V0
ESAB OK 55.00 3.2 x 450mm 3/4 VP – Carton 55003245V0
ESAB OK 55.00 4.0 x 450mm 3/4 VP – Carton 55004045V0
ESAB OK 55.00 5.0 x 450mm 3/4 VP – Carton 55005045V0
ESAB OK 55.00 6.0 x 450mm 3/4 VP – Carton 55006045V0
Additional information
Free Delivery

Free Delivery

Brand

Esab

AWS Class

E7018-1H4 R

EN ISO Class

E 46 5 B 32 H5

Size

2.5mm x 350mm 1/2 VP , 2.5 x 350mm , 3.2 x 350mm , 3.2mm x 450mm 1/2 VP , 3.2mm x 450 , 3.2 x 350mm 1/2 VP , 3.2mm x 350mm 3/4 VP , 3.2mm x 450mm 3/4 VP , 4.0 x 450mm , 4.0 x 350mm , 4.0 x 450mm 1/2 VP , 4.0 x 450mm 3/4 VP , 5.0 x 450mm , 5.0mm x 450mm 1/2 VP , 5.0mm x 450mm 3/4 VP , 6.0 x 450mm , 6.0mm x 450mm 3/4 VP

Delivery

Click and Collect:
Free Click and Collect with no minimum spend from our warehouse on the Empress Park, Southampton with on-site parking. Once your order has been processed, we will advise you when it is ready for pickup.  Just want advice?  No problem.  Feel free to call in to speak to one of our friendly experts.

EWS Fleet Coverage Areas: 
Southampton | Eastleigh | Winchester | Alton | Farnham | Petersfield | Havant | Hayling Island | Waterlooville | Fareham | Portsmouth | Gosport | Chichester | Arun | Worthing | New Forest | Christchurch | Salisbury | Wiltshire | Test Valley | Basingstoke and Deane | West Berkshire | Reading | Hart | Waverley | East Hampshire | East Dorset | Hampshire | Bournemouth | Poole | Lymington | Ringwood | Verwood | East Preston | Goring-by-Sea | Lancing | Shoreham-by-Sea | Steyning | Bramber | Horsham | Adur

Nationwide Delivery (all items excluding gas cylinders):
Free UK mainland (England, Scotland and Wales) delivery on orders over £85 inc. VAT.
UK mainland delivery is £7.50 inc. VAT on orders under £85 inc. VAT.
UK islands and Northern Ireland shipping costs may vary.

UK Delivery for Gas Cylinders:
Shipping costs for gas cylinders are calculated at checkout once the delivery postcode is entered.

International Delivery:
Please contact us for an accurate delivery quote.

Specifications
Classifications SFA/AWS A5.1 : E7018-1H4 R
CSA W48 : E4918-1-H4
EN ISO 2560-A : E 46 5 B 32 H5
Approvals ABS : 3Y H5
BV : 3Y H5
CE : EN 13479
CWB : E4918-1-H4
DB : 10.039.03
DNV-GL : 3Y H5
LR : 3Y H5
RS : 3Y H5
VdTÃœV : 00632
NAKS/HAKC : *5.0mm

 

Welding Current AC, DC+
Diffusible Hydrogen < 4.0 ml/100g (< 3 for most of the batches)
Alloy Type Carbon Manganese
Coating Type Basic covering

 

Typical Tensile Properties
Condition Yield Strength Tensile Strength Elongation
ISO
As Welded 500 MPa 590 MPa 28 %

 

Typical Charpy V-Notch Properties
Condition Testing Temperature Impact Value
ISO
As Welded -50 °C 100 J
As Welded -45 °C 105 J

 

Typical Weld Metal Analysis %
C Mn Si
0.06 1.5 0.5

 

Deposition Data
Diameter Current Voltage Efficiency (%) Number of electrodes/kg weld metal Fusion time per electrode at 90% I max Deposition Rate
2.5 x 350.0 mm 80-110 A 23 V 64 % 66 64 sec 0.9 kg/h
3.2 x 350.0 mm 110-140 A 23 V 62 % 41 72 sec 1.2 kg/h
3.2 x 450.0 mm 110-140 A 24 V 69 % 30 88 sec 1.4 kg/h
4.0 x 350.0 mm 140-200 A 23.2 V 62 % 28 72.5 sec 1.77 kg/h
4.0 x 450.0 mm 140-200 A 24 V 71 % 19 94 sec 2.0 kg/h
5.0 x 450.0 mm 200-270 A 24 V 72 % 13 94 sec 3.0 kg/h
6.0 x 450.0 mm 215-360 A 25 V 72 % 9 98 sec 4.0 kg/h
ESAB OK 55.00 Low Hydrogen Welding Electrodes

ESAB OK 55.00 Low Hydrogen Welding Electrodes E7018-1H4 – Carton

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