This Japanese Industrial Standard specifies the high tensile strength steel tubes principally used for transmission steel towers (hereafter referred to as "tubes"). This Standard generally applies to tubes of outside diameter 139.8 mm to I 117.6 mm.
In addition to the items specified in this text, the special quality requirements which the purchaser can previously designate upon the agreement with the manufacturer are specified in Annex A.
JIS G 3474:2014 Referenced Document
JIS G 0320 Standard test method for heat analysis of steel products
JIS G 0321 Product analysis and its tolerance for wrought steel*， 2017-06-20 Update
JIS G 0404 Steel and steel products -- General technical delivery requirements*， 2023-12-20 Update
JIS G 0415 Steel and steel products -- Inspection documents*， 2014-05-20 Update
JIS Z 2241 Metallic materials -- Tensile testing -- Method of test at room temperature*， 2022-09-20 Update
JIS Z 3121 Methods of tensile test for butt welded joints
JIS Z 8401 Rounding of numbers*， 2019-01-01 Update
JIS G 3474:2014 history
2021JIS G 3474:2021 High strength steel tubes for steel tower