GB/T 4697-2017 Translated English of Chinese Standard. (GBT 4697-2017, GB/T4697-2017, GBT4697-2017): Hot rolled steel section for mine timberinghttps://www.chinesestandard.net, 2018 M11 9 - 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. |
Common terms and phrases
Aluminium analysis of iron Average leg thickness bending deflection blue spectrophotometric method Bottom thickness H3 chemical analysis chemical composition content GB/T deflection of I-type delivered in theoretical Designations and chemical Dimension and shape hot rolled I-type steel section Impact absorbed energy Inspection and acceptance Inspection method leg width Low-alloy steel Mechanical properties Metallic materials method after combustion 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 Spec Specifications of I-type specified in Table spectrophotometric method GB/T steel and alloy steel section Dimensions steel section Sectional supplier can guarantee surface of steel Surface quality Tensile testing 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