Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 1) (First Revision) which is identical with ISO 11114-1 : 2020 ‘Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Gas Cylinders Sectional Committee and approval of the Mechanical Engineering Division Council.

This standard was originally published in 2015 and was identical with ISO 11114-1 : 2012 ‘Gas cylinders - Compatibility of cylinders and valve material with gas contents - Part 1: Metallic materials’. The first revision of this standard has been undertaken to align it with the latest version of ISO 11114-1 : 2020.