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Category: Welding Stainless to Other Steels

  1. Design strengths of welded connections

    This article gives recommendations for full and partial penetration butt welds and fillet welds made by an arc welding process. The adequacy of a weld at ultimate limit state may be determined by the simple method of BS 5950:1. The Geometric parameters required for the calculation of design strength are the effective length of the weld and the effective throat size, whilst guidance is given on suitable range for the angle of intersection at the joint.

  2. 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.

  3. Welding stainless steels to other steels

    Welding austenitic stainless steels to carbon and low alloy steels are established methods in the process and construction industries. Over-alloyed fillers are used to avoid dilution of the parent stainless steel in the fusion zone. Filler type 308 can be used for joining a 304 type ‘parent’ to a carbon steel but more highly alloyed fillers, such as the 309 type are preferable. There should be no risk of post weld bimetallic, ( galvanic), corrosion, if the joint is repainted.

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