AS 1897-1976被替代
Electroplated coatings on threaded components (metric coarse series)
出版：Standards Australia
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基本信息
标准编号： AS 1897-1976
标准类别：Standard
出版单位：Standards Australia
标准页数：40
标准简介
Specifies coating thickness, gauging after coating and other requirements for coatings on ISO metric triangular form threaded items specified in various Australian Standards. It covers tolerance classes 6H with G deviation, and 6G for nuts, and 6g, 6e and 8g for screws and bolts. Details of preplating thread dimensions for standard coating thicknesses and procedures for the modification and extent of modification to cater for thicker coatings are included. Surface areas of threaded items, statistical treatment for probability of acceptance by 'GO' gauge and recommended sampling procedures are dealt with in appendices.
