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 giu 2018 - 15 pagine
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.
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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 multi-element 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 structure steels GB/T supplier test methods thereof shall comply tolerances for dimensions total double length tubes for structure tubes shall comply types of inclusions Vanadium wall thickness YB/T