GB/T 34560.4-2017: Translated English of Chinese Standard. (GBT 34560.4-2017, GB/T34560.4-2017, GBT34560.4-2017): Structural steels - Part 4: Technical delivery conditions for high yield strength quenched and tempered structural steel plates
https://www.chinesestandard.net, 2018. szept. 1. - 22 oldal
This Part of GB/T 34560 specifies the terms and definitions, grade representation method, ordering content, dimension, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of high yield strength quenched and tempered structural steel plates. This Part applies to quenched and tempered steel plates with a nominal thickness of 3 mm to 150 mm and an upper yield strength of 460 MPa to 1300 MPa for welded or bolted structures.
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ADD reference Adopt the common analysis of iron carbon equivalent chemical analysis China Adopt clause number compared with ISO composition of steel conditions for high corresponding standards demand parties dimension dimethylglyoxime domestic and foreign foreign standards Grades and chemical grades of domestic gravimetric method high yield strength impact absorption energy impact test Low-alloy steel marking and quality maximum value method after combustion Methods for chemical Mn content non-destructive testing Normative references ordering content packaging parties and indicated permissible deviation plates shall comply practice of China quality certificate quality grade quenched and tempered reference to GB/T smelting method specifications of GB/T spectrophotometric method GB/T standards in China steel and alloy steel grade structural steel plates supply and demand surface quality Table B.1 Technical delivery conditions technical differences tempered structural steel terms and definitions test methods through-thickness characteristic titration titration method unevenness upper yield strength waveform spacing yield strength quenched