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BS EN ISO 18278-1:2022 – TC

BS EN ISO 18278-1:2022 – TC

$186.33

Tracked Changes. Resistance welding. Weldability – General requirements for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials

Published By Publication Date Number of Pages
BSI 2022 52
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This document specifies procedures for assessing the generic weldability for resistance spot, seam and projection welding of uncoated and coated metals. The purpose of the tests described in this document are to a) compare the metallurgical weldability of different metals, b) assess the weldability of differing component designs, e.g. dimensional configuration, stack-up, projection geometry, etc., c) investigate the effect of changes in welding parameters such as welding current, weld time, electrode force or complex welding schedules including pulse welding, current stepping etc. on weldability, and/or d) compare the performance of resistance welding equipment. Precise details of the test procedure to be used depend on which aspect of items a) to d) will be evaluated relative to the welding result obtained.

PDF Catalog

PDF Pages PDF Title
1 30459520
27 A-30431360
28 undefined
31 European foreword
Endorsement notice
35 Foreword
36 1 Scope
2 Normative references
37 3 Terms and definitions
39 4 Weldability
4.1 Weldability of a component
4.1.1 General
40 4.1.2 Metallurgical weldability
4.1.3 Operative weldability
4.1.4 Constructional weldability
4.2 Criteria for the evaluation of weldability
41 5 Preparation of welding equipment
5.1 Welding machine
5.2 Welding electrodes
5.2.1 General
5.2.2 Spot welding
5.2.3 Seam welding
5.2.4 Projection welding
42 5.3 Measurement of parameters
5.3.1 Welding current
5.3.2 Electrode force
6 Test procedures
6.1 General
6.2 Basic test procedures
6.2.1 Essential variables
6.2.2 Welding current range test
43 6.2.3 Electrode life test
44 6.2.4 Weldability lobe test
45 6.3 Evaluation of weld properties
6.3.1 General
6.3.2 Shop floor tests
6.3.3 Tensile shear testing
46 6.3.4 Mechanized peel testing
6.3.5 Cross-tension testing
6.3.6 Macro-sections and hardness test
6.3.7 Further weld properties
7 Test report
7.1 General
7.2 Welding current range test
47 7.3 Electrode life test
7.4 Weldability lobe test
49 Annex A (informative) How to evaluate the mass and friction of the welding head
50 Bibliography

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BS EN ISO 18278-1:2022 - TC
$186.33