GB/T 4697-2017: Translated English of Chinese Standard. (GBT 4697-2017, GB/T4697-2017, GBT4697-2017): Hot rolled steel section for mine timbering
https://www.chinesestandard.net, Nov 9, 2018 - Technology & Engineering - 17 pages
This Standard specifies the ordering content, dimensions, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and certification of hot rolled U- and I-type steel section for mine timbering. This Standard applies to hot rolled U- and I-type steel section for mine timbering.
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Packaging marking and certification
Common terms and phrases
Aluminium analysis of iron Average leg thickness bending deflection blue spectrophotometric method chemical analysis chemical composition content after distillation content GB/T deflection of I-type delivered in theoretical Designations and chemical Determination of multi-element Dimension and shape Height H1 hot rolled I-type steel section Inspection and acceptance Inspection method leg width Low-alloy steel Mechanical properties Metallic materials method for outer Methods for chemical nitrogen content outer slope phosphomolybdate blue spectrophotometric photometric method processing properties properties and processing rolled I section sample quantities Sampling location sampling methods section is delivered sectional areas sectional characteristic parameters Sectional view slope of I-type smelting analysis Spec Specifications of I-type specified in Table spectrophotometric method GB/T steel and alloy steel section Dimensions steel section Sectional surface of steel Surface quality Tensile testing test GB/T Test items test methods theoretical weight thickness of I-type timbering titration method Tolerances of sectional tolerances of steel U-type vanadium weights and sectional