I.S. EN 14399-9:2018现行
High-strength Structural Bolting Assemblies for Preloading Part 9: System hr or hv - Direct Tension Indicators for Bolt and nut Assemblies
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. EN 14399-9:2018
发布时间：2018/5/20 0:00:00
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：34
标准简介
Describes the requirements for direct tension indicators, nut face washers (HN) and bolt face washers (HB) as part of high-strength structural bolting assemblies suitable for preloaded joints.
本标准替代的旧标准
