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Bohler DMO-IG ER70S-A1 Creep Resistant Steel TIG Rod

  • Unmatched high-temperature performance
  • Exceptional creep resistance and crack resistance
  • Superior weld toughness and impact resistance
  • Wide operating temperature range
  • Smooth arc characteristics and easy weldability
  • Approved for demanding applications in various industries


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Bohler DMO-IG ER70S-A1: Unleash the Strength and Resilience for Your Toughest Welds

For those critical projects demanding unwavering performance, the Bohler DMO-IG ER70S-A1 Creep Resistant Steel TIG Rod steps up to the challenge. This premium TIG welding consumable delivers exceptional strength, crack resistance, and high-temperature tolerance, making it the ideal choice for the below applications.

Uncompromising Performance:

  • Superior Creep Resistance: The DMO-IG ER70S-A1 boasts a 0.5% molybdenum alloy that provides exceptional resistance to creep deformation at elevated temperatures, up to 550°C (1022°F). This ensures your welds retain their strength and integrity over extended periods, even in demanding thermal applications.
  • Enhanced Crack Resistance: The optimised composition minimises the risk of cracking during welding, reducing rework and ensuring reliable, high-quality welds
  • Exceptional Toughness: The DMO-IG ER70S-A1 delivers a very tough weld deposit, making it perfect for applications requiring superior impact resistance and durability
  • Ductility Across Temperatures: This TIG rod maintains excellent ductility across a wide temperature range, from -30°C (-22°F) to +500°C (932°F), accommodating for potential thermal contraction and expansion without compromising weld integrity


  • Available in industry-standard diameters: 1.6mm, 2.4mm, and 3.0mm for optimal weld pool control and versatility
  • Copper coated for smooth feeding and enhanced arc stability
  • AWS A5.28 / SFA-5.28 classification ensures consistent quality and reliable performance
  • Suitable for welding similar alloyed creep-resistant steels, cast steels, and for applications requiring higher tensile strength weld metal in ordinary C-Mn steels.Applications
  • Power Generation: Boilers, pressure vessels, and pipelines
  • Heavy Construction: Cranes, bridges, and other load-bearing structures
  • Chemical Processing: Vessels and equipment handling high-temperature, corrosive environments
  • Oil & Gas Pipelines: Ensuring structural integrity for long-term reliability


Part No. Description
28003 1.6mm
35066 2.4mm
35074 3.0mm



EN ISO 21952:

– A W MoSi

– B W (1M3)

EN ISO 636:

-A W 2Mo / W 46 3 2Mo

-B W 2M31 / W 55A 3U 2M31

AWS A5.28 / SFA-5.28:

ER70S-A1 (ER80S-G)



Additional information
Weight N/A
Free Delivery Free Delivery
Brand Bohler
Size 1.6mm , 2.4mm , 3.0mm
AWS Class ER70S-A1 (ER80S-G)

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 DMO-IG ER70S-A1 Creep Resistant Steel TIG Rod

Bohler DMO-IG ER70S-A1 Creep Resistant Steel TIG Rod

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