ISO Standards

There 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