GB/T 34201-2017 Translated English of Chinese Standard. (GBT 34201-2017, GB/T34201-2017, GBT34201-2017): Seamless hot-rolled square and rectangular steel tubes for structure
https://www.chinesestandard.net, 2. 6. 2018 - Počet stran: 15
This Standard specifies the ordering content, dimension, shape and weight, technical requirements, inspection and test methods, inspection rules, package, marking, and quality certificate of seamless hot-rolled square and rectangular steel tubes for structure. This Standard is applicable to the seamless hot-rolled square and rectangular steel tubes for structure.
Dimension shape and weight
Inspection and test methods
Package marking and quality certificate
alloy structural steel analysis of iron carbon structural steels Charpy chemical analysis chemical compositions smelting composition of steel compositions smelting analysis content GB/T contract Decline factor demander shall negotiate Designation and chemical Determination of total Dimension and shape dimensions of steel extraction photometric method hot rolling expanding impact absorbed energy impact test Inspection and acceptance Inspection items Iron steel Low-alloy steel manufacturing method Methods for chemical millimeters nitrogen nitrogen content Non-metallic inclusions Permissible tolerances provisions of GB/T provisions of Table quality certificate rectangular steel tubes refined grain elements required value respectively Round radius seamless hot-rolled square side convex-concave degree side length specified length spectrophotometric method GB/T square and rectangular square steel tube Standard steel and alloy Steel and iron structural steel round structure steels GB/T supplier supply steel tubes test methods thereof shall comply tolerances for dimensions tubes for structure tubes shall comply types of inclusions Vanadium wall thickness YB/T