Standard No.:	YB/T 5055-2014
English Name:	Crane rails
Chinese Name:	起重机用钢轨
Professional Classification:	YB    Professional Standard - Metallurgy
Issued by:	Ministry of Industry and Information Technology
Issued on:	2014-10-14
Implemented on:	2015-4-1
Status:	valid
Superseding:	YB/T 5055-1993 Crane rails
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies order information, dimension, shape, weight as well as allowable deviation, technical requirements, test methods, inspection rules, marking and quality certificate of crane rails. This Standard is applicable to QU70~QU120 rails for crane cart and trolley track. 2 Normative References The following standards for the application of this Standard are essential. For the dated normative references, only the dated editions are applicable to this Standard. For undated references, the latest edition (including any amendments) is applicable to this Standard. GB/T 222-2006 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.11 Iron Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method 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 223.18 Methods for Chemical Analysis of Iron, Steel and Alloy The Sodium Thiosulfate Separation Iodimetric Method for the Determination of Copper Content GB/T 223.19 Methods for Chemical Analysis of Iron Steel and Alloy; The Neocuproine-Chloroform Extraction Photometric Method for the Determination of Copper 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 Indophenal 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 223.58 Methods for Chemical Analysis of Iron, Steel and Alloy; The Sodium Arsenite-Sodium Nitrite Titrimetric Method for the Determination of Manganese Content GB/T 223.59 Iron Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method GB/T 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content GB/T 223.61 Methods for Chemical Analysis of Iron, Steel And Alloy; The Ammonium Phosphomolybdate Volumetric Method for the Determination of Phosphorus Content GB/T 223.62 Methods for Chemical Analysis of Iron, Steel and Alloy; The Butyl Acetate Extraction Photometric Method for the Determination of Phosphorus Content GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy; The Sodium (Potassium) Periodate Photometric Method for the Determination of Manganese Content GB/T 223.64 Iron Steel and Alloyed - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method GB/T 223.67 Iron Steel and Alloy - Determination of Sulfur Content -Methylene Blue Spectrophotometric Method GB/T 223.68 Methods for Chemical Analysis of Iron, Steel and Alloy The Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the Determination of Sulfur Content GB/T 223.69 Iron Steel and Alloy - Determination of Carbon Contents - Gas-Volumetric Method after Combustion in the Pipe Furnace GB/T 223.71 Methods for Chemical Analysis of Iron, Steel and Alloy The Gravimetric Method after Combustion in the Pipe Furnace for the Determination of Carbon Content GB/T 223.72 Iron Steel and Alloy - Determination of Sulfur Content - Gravimetric Method GB/T 223.79 Iron and Steel - Determination of Multi-Element Contents - X-Ray Fluorescence Spectrometry (Routine Method) GB/T 223.82 Steel and Iron - Determination of Hydrogen Content - Inert Gas Impulse Fusion Heat Conductivity Method GB/T 223.85 Steel and Iron - Determination of Sulfur Content - Infrared Absorption Method after Combustion in an Induction Furnace GB/T 223.86 Steel and Iron - Determination of Total Carbon Content - Infrared Absorption Method after Combustion in an Induction Furnace GB/T 226 Test Method for Macrostructure and Defect of Steel by Etching GB/T 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature GB/T 2101 General Requirement of Acceptance Packaging Marking and Certification for Section Steel GB/T 4336 STANDARD Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low-Alloy Steel (Routine Method) GB/T 20066 Steel and Iron Sampling and Preparation of Samples for the Determination of Chemical Composition GB/T 20123 Steel and Iron - Determination of Total Carbon and Sulfur Content Infrared Absorption Method after Combustion in an Induction Furnace (Routine Method) TB/T 2344-2012 Technical Specifications for the Procurement of 43 Kg/m~75kg/m as Rails YB/T 081 Rule for Rounding Off of Numberical Values and Judgement of Testing Values for Technical Standards of Metallurgy 3 Order Information According to this Standard, the order contract or order shall include the following information: a) Code number of this Standard; b) Product name; c) Type; d) Designation; e) Quantity and length (fixed length and non-fixed length); f) Special requirements.

Foreword I 1 Scope 2 Normative References 3 Order Information 4 Dimension, Shape, Weight and Allowable Deviation 5 Technical Requirements 6 Test Method 7 Inspection Rules 8 Packing, Marking and Quality Certificate Appendix A Type Dimensions of Rail Cross Section (Normative) Appendix B Schematic Diagram for Geometric Dimension Inspection Template of Rail (Normative) Appendix C Unallowable Defects on the Transversal Acid Leached Test Plate of Rail (Normative)