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Category: Selection of Welding Consumables

  1. Fabricating Duplex Stainless Steel

    Duplex Stainless Steels are growing at a high rate. It is important to understand how they differ from the more familiar stainless steels and how these differences affect the fabrication methods and parameters

  2. Gas Tungsten Arc Welding Electrodes for Stainless Steels

    This technical paper by Dr Mike Fletcher, Metallurgical and Welding Consultant to Huntingdon Fusion Techniques Ltd, explores the development in the composition of electrodes used in the GTAW, (TIG), process. He concludes that refractory oxide doping is beneficial, in particular lanthana and ceria.

  3. Selection of welding consumables for welding stainless steels

    BS EN 1600 BS EN 12072 and BS EN 12073 cover electrode selection for coated or uncoated rods and wires for GMAW, (MIG), GTAW, (TIG), PAW, (plasma arc), and SAW, (submerged arc), shielded welding ,and flux cored methods. A table of suggested consumables, (fillers), for welding a range of stainless steel grades is given and the electrode compositions to BS EN 1600.

  4. The Schaeffler and Delong diagrams for predicting ferrite levels in austenitic stainless steel welds

    Ferrite is important in avoiding hot cracking in during cooling from welding of austenitic stainless steels. The Schaeffler and Delong diagrams are the original methods of predicting the phase balances in austenitic stainless steel welds.

  5. Welding of Stainless Steel

    An overview of welding stainless steels is given, with particular reference to the various welding methods that can be used. These include Gas Tungsten Arc Welding, (GTAW or TIG), Plasma Arc Welding, (PAW), Shielded Metal Arc Welding, (SMAW or MMA), Gas Metal Arc Welding, (GMAW or MIG / MAG), Flux Cored Arc Welding, (FCAW or FCW), Submerged Arc Welding, (SAW), Electric Resistance Welding, (ERW), Laser Welding. Standards mentioned include BS EN 1600, BS EN 12072, BS EN 12073, BS EN 760, BS EN 287 Part1, (Approved testing of welders for fusion welding), BS EN 288 Part 3 Welding Procedure tests for the arc welding of steels.

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