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Bohler Marathon 431 Sub Arc Flux – 25kg Bag

SKU: 13316
  • Achieve high-quality, clean welds with minimal rework
  • Reduce welding time and labour costs through increased efficiency
  • Ensure welds meet stringent corrosion resistance requirements
  • Improve overall productivity and profitability of welding operations
  • Easy to handle and store with convenient 25kg packaging

£419.99 ex. VAT     £503.99 inc VAT

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Over 50 years welding expertise
Free delivery over £85 inc. VAT

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Achieve superior weld quality and efficiency with the Bohler Marathon 431 Sub Arc Flux. This premium 25kg bag of submerged arc welding flux is specifically formulated to deliver exceptional results for a wide range of welding applications, particularly when working with stabilised and non-stabilised standard stainless steel wire grades, including duplex grades.


  • Optimised flux composition for superior weld pool control and minimal spatter
  • Excellent slag detachability for clean welds and reduced post-weld cleaning
  • Compensates for chromium loss, maintaining corrosion resistance in stainless steel welds
  • Fast travel speeds for increased welding efficiency and productivity
  • Suitable for a wide range of submerged arc welding applications
  • Available in convenient 25kg bags for easy handling and storage



Additional information

25 kg

Free Delivery

Free 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.

Bohler Marathon 431 Sub Arc Flux - 25kg Bag

Bohler Marathon 431 Sub Arc Flux – 25kg Bag

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£419.99 ex. VAT     £503.99 inc VAT
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