Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian standard which is identical to ISO 15620 : 2019 ‘Welding - Friction welding of metallic materials (first revision)’ issued by the International Organization for Standardization (ISO), was adopted by the Bureau of Indian Standards on the recommendation of the Welding General and its Applications Sectional Committee and approval of the Metallurgical Engineering Division Council.

This standard was originally published in 2006 adopting ISO 15620 : 2000 ‘Welding - Friction Welding of Metallic Material’ under dual numbering system. The first revision of this standard has been undertaken to align it with the latest version of ISO 15620 : 2019.

The changes compared to the previous edition are as follows:

a)Clause 2 has been updated ;

b)In Clause 3, terms not used in the text have been deleted;

c)In Annex B of 4 processes based on friction have been added;

d)The recommended text to perform on test weld has been clarified (addition of Table 4)