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ISO 15614-12:2021

Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 12: Spot, seam and projection welding

General information
Valid from 14.10.2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
14.10.2021
Main
26.06.2014
Main
This document specifies the tests which can be used for qualification of welding procedure specifications for spot, seam, and projection welding processes. NOTE       The procedures are written for embossed projection welding. They can be adapted for solid projections as well, e.g. nut welding, stud welding. cross wire welding. This document defines the conditions for carrying out tests and the limits of validity of a qualified welding procedure for all practical welding operations covered by this document. It covers the following resistance welding processes, as defined in ISO 4063: —    21 – resistance spot welding; —    211 – indirect spot welding; —    212 – direct spot welding; —    22 – resistance seam welding; —    221 – lap seam welding; —    222 – mash seam welding; —    223 – Prep-lap seam welding; —    224 – Wire seam welding; —    225 – foil butt-seam welding; —    226 – seam welding with strip; —    23 – projection welding; —    231 – indirect projection welding; —    232 – direct projection welding.
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