標(biāo)準(zhǔn)編號(hào):	GB/T 4697-2008
中文名稱:	礦山巷道支護(hù)用熱軋U型鋼
英文名稱:	Hot-rolled U-type steel for mine timbering
中標(biāo)分類:	H44    型鋼、異型鋼
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
ICS分類:	77.140.70 77.140.70    型鋼 77.140.70
發(fā)布機(jī)構(gòu):	國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局 國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2008-8-5
實(shí)施日期:	2009-4-1
標(biāo)準(zhǔn)狀態(tài):	superseded
被新標(biāo)準(zhǔn)替代:	GB/T 4697-2017 礦山巷道支護(hù)用熱軋型鋼
被替代日期:	2018-4-1
替代舊標(biāo)準(zhǔn):	GB/T 4697-1991
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	6000 字
翻譯價(jià)格(元):	560.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Scope This standard specifies the order contents, dimension, shape, weight, permissible deviation, technical requirements, test method, inspection rule, packaging, marking and quality certificate of hot-rolled u-type steel for mine timbering. This standard is applicable to the hot-rolled U-type steel used for the manufacture of mine timbering. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.5 Methods for Chemical Analysis of Iron, Steel and Alloy - the Reduced Molybdosilicate Spectrophotometric Method for the Determination of Acid-soluble Silicon Content GB/T 223.11 Methods for Chemical Analysis of Iron, Steel and Alloy - the Ammonium Persulfate Oxidation Volumetric Method for the Determination of Chromium Content GB/T 223.12 Methods for Chemical Analysis of Iron, Steel and Alloy- the Sodium Carbonate Separation-Diphenyl Carbazide Photometric Method for the Determination of Chromium Content GB/T 223.14 Methods for Chemical Analysis of Iron, Steel and Alloy - the N-benzoy-N-phenylhydroxylamine Extraction Photometric Method for The Determination of Vanadium Content GB/T 223.23 Iron Steel and Alloy - Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method GB/T 223.36 Methods for Chemical Analysis of Iron, Steel and Alloy - the Neutral Titration Method for the Determination of Nitrogen Content after Distillation Separation GB/T 223.37 Methods for Chemical Analysis of Iron, Steel and Alloy - the Indophenol Blue Photometric Methods for the Determination of Nitrogen Content after Distillation Separation GB/T 223.53 Methods for Chemical Analysis of Iron, Steel and Alloy - the Flame Atomic Absorption Spectrophotometric Method for the Determination of Copper Content GB/T 223.54 Methods for Chemical Analysis of Iron, Steel and Alloy - the Flame Atomic Absorption Spectrophotometric Method for the Determination of Nickel Content GB/T 223.59 Methods for Chemical Analysis of Iron, Steel and Alloy - the Reduced Molybdoantimonyl Phosphoric Acid Photometric Method for the Determination of Phosphorus Content

Foreword I 1 Scope 2 Normative References 3 Order Contents 4 Dimension, Shape, Weight and Permissible Deviation 5 Technical Requirements 6 Test Method 7 Inspection Rule 8 Packaging, Marking and Quality Certificate