GB/T 34560.2-2017: Translated English of Chinese Standard. (GBT 34560.2-2017, GB/T34560.2-2017, GBT34560.2-2017): Structural steels - Part 2: Technical delivery conditions for structural steels for general purposes
https://www.chinesestandard.net, 1.9.2018 - 25 sivua
This Part of GB/T 34560 specifies the terms and definitions, classification and grade representation method, ordering content, dimension, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of structural steels for general purposes. This Part applies to hot-rolled steel plates (strips), wide flat steels, section steels and steel bars for general welded, bolted and riveted engineering structures. The chemical composition specified in this Part also applies to steel ingots, continuous casting billets, steel billets and their products.
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analysis of iron applicable to bar applicable to section bar products based on smelting batch carbon content carbon equivalent CEV chemical analysis chemical composition smelting clause number compared with ISO composition smelting analysis delivery status demand party requires Elongation after break furnace number grades shall comply hot dip galvanized Impact absorption energy impact test inspection items Longitudinal Lateral Longitudinal low-alloy steel manganese marking and quality mass fraction mechanical properties method after combustion Methods for chemical niobium nitrogen fixation nominal thickness greater permissible deviation photometric method Pinyin Q460 steel grades quality certificate reference to GB/T section steels specifications of GB/T specifications of Table spectrophotometric method GB/T standards in China steel and alloy steel plates steel shall comply steel strips steels and bars structural steels sulfur content supply and demand Surface quality Table C.1 Technical delivery conditions technical differences tensile strength test methods thickness or diameter through-thickness characteristics Upper yield strength vanadium