ISO StandardsThere are quite a number of ISO standards related to resistance welding. Below are some frequently used ones.Resistance welding processes: ISO 17677-1:2009 Resistance welding -- Vocabulary -- Part 1: Spot, projection and seam welding ISO 15609-5:2011 Specification and qualification of welding procedures for metallic materials -- Welding procedure specification -- Part 5: Resistance welding ISO 14373:2015 Resistance welding -- Procedure for spot welding of uncoated and coated low carbon steels ISO 16432:2006 Resistance welding -- Procedure for projection welding of uncoated and coated low carbon steels using embossed projection(s) ISO 16433:2006 Resistance welding -- Procedure for seam welding of uncoated and coated low carbon steels ISO 14327:2004 Resistance welding -- Procedures for determining the weldability lobe for resistance spot, projection and seam welding ISO 18595:2007 Resistance welding -- Spot welding of aluminium and aluminium alloys -- Weldability, welding and testing ISO 15613:2004 Specification and qualification of welding procedures for metallic materials -- Qualification based on pre-production welding test ISO 15614-12:2014 Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 12: Spot, seam and projection welding ISO 15614-13:2012 Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 13: Upset (resistance butt) and flash welding ISO 18278-1:2015 Resistance welding -- Weldability -- Part 1: General requirements for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials ISO 18278-2:2016 Resistance welding -- Weldability -- Part 2: Evaluation procedures for weldability in spot welding ISO/DIS 18278-3 Resistance welding -- Weldability -- Part 3: Evaluation procedures for weldability in spot weld bonding ISO 14554-1:2013 Quality requirements for welding -- Resistance welding of metallic materials -- Part 1: Comprehensive quality requirements ISO 14554-2:2013 Quality requirements for welding -- Resistance welding of metallic materials -- Part 2: Elementary quality requirements Resistance welding equipment and electrodes: ISO 7286:1986 Graphical symbols for resistance welding equipment ISO 669:2016 Resistance welding -- Resistance welding equipment -- Mechanical and electrical requirements ISO 5182:2016 Resistance welding -- Materials for electrodes and ancillary equipment ISO 5821:2009 Resistance welding -- Spot welding electrode caps ISO 5830:1984 Resistance spot welding -- Male electrode caps ISO 5184:1979 Straight resistance spot welding electrodes ISO 17657-5:2005 Resistance welding -- Welding current measurement for resistance welding -- Part 5: Verification of welding current measuring system Resistance welding quality and weld strength tests: ISO 10447:2015 Resistance welding -- Testing of welds -- Peel and chisel testing of resistance spot and projection welds ISO 14272:2016 Resistance welding -- Destructive testing of welds -- Specimen dimensions and procedure for cross tension testing of resistance spot and embossed projection welds ISO 14273:2016 Resistance welding -- Destructive testing of welds -- Specimen dimensions and procedure for tensile shear testing resistance spot and embossed projection welds ISO 14270:2016 Resistance welding -- Destructive testing of welds -- Specimen dimensions and procedure for mechanized peel testing resistance spot, seam and embossed projection welds ISO 17653:2012 Resistance welding -- Destructive tests on welds in metallic materials -- Torsion test of resistance spot welds