List of materials for which we have approved welding procedures:

  • Stainless Steels (304 & 316 types)

TIG, Flux Cored MIG and MMA

  • Duplex (includes comprehensive corrosion testing)


  • Carbon Steel (including fine grain and low temperature)

TIG, Metal cored MIG and MMA

  • Hastelloy C276 & C22
  • Monel 400
  • Monel K500
  • Nitronic 50/60

In addition to the above, we also hold a number of dissimilar metal welding procedures, including:

  • Stainless to Super Duplex
  • Monel to Super Duplex
  • Stainless to Carbon Steel
  • Hastelloy to Stainless

Our welding procedures are not restricted to the above, as we also weld a number of other materials which include Aluminium, Copper and Nickel Alloys. We are prepared to qualify welders if a particular procedure is not available.