Standard No.:	GB/T 714-2015
English Name:	Structural steel for bridge
Chinese Name:	桥梁用结构钢
Chinese Classification:	H46    Steel sheet and strip
Professional Classification:	GB    National Standard
ICS Classification:	77.140.50 77.140.50    Flat steel products and semi-products 77.140.50
Issued by:	AQSIQ and MOH
Issued on:	2015-09-11
Implemented on:	2016-6-1
Status:	valid
Superseding:	GB/T 714-2008 Structural steel for bridge
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the terminologies and definitions, representation methods of destination, order contents, dimension, shape, weight and permissible tolerances as well as technical requirements, test methods, inspection rules, packaging, marking and quality certificate of structural steel for bridge. This standard is applicable to structural steel plates (≤150mm in thickness), structural steel strips and shear plates (≤25.4mm in thickness) and structural steel shapes (≤40mm in thickness) for bridge. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.5 Steel and Iron - Determination of Acid-soluble Silicon and Total Silicon Content - Reduced Molybdosilicate Spectrophotometric 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 223.19 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 223.26 Iron Steel and Alloy-Determination of Molybdenum Content - the Thiocyanate Spectrophotometric Method 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 Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method GB/T 223.72 Iron Steel and Alloy - Determination of Sulfur Content - Gravimetric Method GB/T 223.78 Methods for Chemical Analysis of Iron, Steel and Alloy - Curcumin Spectrophotometric Method for the Determination of Boron Content GB/T 223.79 Iron and Steel - Determination of Multi-element Contents - X-ray Fluorescence Spectrometry (Routine Method) GB/T 223.81 Iron Steel and Alloy - Determination of Total Aluminum and Total Boron Contents - Microwave Digestion-Inductively Coupled Plasma Mass Spectrometric Method GB/T 223.82 Steel and Iron - Determination of Hydrogen Content - Inert Gas Impulse Fusion Heat Conductivity Method GB/T 223.84 Steel and Alloy - Determination of Titanium Content - Diantipyrylmethane Spectrophotometric 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 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature GB/T 229 Metallic Materials - Charpy Pendulum Impact Test Method GB/T 232 Metallic Materials - Bend Test GB/T 247 General Rule of Package Mark and Certification for Steel Plates (Sheets) and Strips GB/T 706 Hot Rolled Section Steel GB/T 709 Dimension, Shape, Weight and Tolerances for Hot-rolled Steel Plates and Sheets GB/T 2101 General Requirements of Acceptance, Packaging, Marking, and Certification for Section Steel GB/T 2970 Thicker Steel Plates - Method for Ultrasonic Inspection GB/T 2975 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing GB/T 4336 Standard Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low-alloy Steel (Routine Method) GB/T 5313 Steel Plate with Through-thickness Characteristics GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values GB/T 11263 Hot-rolled H and Cut T Section Steel GB/T 14977 General Requirement for Surface Condition of Hot-rolled Steel Plates GB/T 17505 Steel and Steel Products - General Technical Delivery Requirements 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) GB/T 20124 Steel and Iron - Determination of Nitrogen Content - Thermal Conductimetric Method after Fusion in a Current of Inert Gas (Routine Method) GB/T 20125 Low-alloy Steel - Determination of Multi-element Contents - Inductively Coupled Plasma Atomic Emission Spectrometric Method 3 Terminologies and Definitions

Foreword i 1 Scope 2 Normative References 3 Terminologies and Definitions 4 Representation Methods of Designation 5 Order Contents 6 Dimension, Shape, Weight and Permissible Tolerances 7 Technical Requirements 8 Test Methods 9 Inspection Rules 10 Packaging, Marking and Quality Certificate Appendix A (Informative) Comparison of Designations Between this Standard and Relevant Standards Appendix B (Informative) Yield Ratio of Recommended Steel Appendix C (Informative) Guideline on Assessing the Atmospheric Corrosion Resistance of Weathering Bridge Steel

* GB/T 222-2006 Permissible Tolerances for Chemical Composition of Steel Products
* GB/T 223.5-2008 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
* GB/T 223.12-1999
* GB/T 223.14-2000 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 223.19-1989
* GB/T 223.23-2008 Iron, Steel and Alloy-Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method
* GB/T 223.26-2008 Iron, Steel and Alloy - Determination of Molybdenum Content - The Thiocyanate Spectrophotometric Method
* GB/T 223.62-1988 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-
* GB/T 223.64-2008 Iron, Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method
* GB/T 223.72-2008 Iron, Steel and Alloy - Determination of Sulfur Content - Gravimetric Method
* GB/T 223.78-2000 Methods for Chemical Analysis of Iron, Steel and Alloy - Curcumin Spectrophotometric Method for the Determination of Boron Content
* GB/T 223.79-2007 Iron and steel—Determination of multi-element contents—X-ray fluorescence spectrometry(Routine method)
* GB/T 223.81-2007 Iron steel and alloy—Determination of total aluminum and total boron contents—Microwave digestion-inductively coupled plasma mass spectrometric method
* GB/T 223.82-2007 Steel and iron—Determination of hydrogen content—Inert gas impulse fusion heat conductivity method
* GB/T 223.84-2009 Steel and iron—Determination of titanium content—Diantipyrylmethane spectrophotometric method
* GB/T 223.85-2009 Steel and iron—Determination of sulfur content—Infrared absorption method after combustion in an induction furnace
* GB/T 223.86-2009 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace
* GB/T 228.1-2010 Metallic materials - Tensile testing - Part 1 : Method of test at room temperature
* GB/T 229-2007 Metallic Materials - Charpy Pendulum Impact Test Method
* GB/T 232-2010 Metallic materials—Bend test
* GB/T 247-2008 General rule of package mark and certification for steel plates (sheets) and strips
* GB/T 706-2008 Hot rolled section steel
* GB/T 709-2006 Dimension, Shape, Weight and Tolerances for Hot Rolled Sheets and
* GB/T 2101-2008 General requirement of acceptance packaging marking and certification for section steel
* GB/T 2970-2016 Method for ultrasonic testing of thicker steel plates
* GB/T 2975-1998 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing
* GB/T 4336-2016 Carbon and low-alloy steel―Determination of multi-element contents―Spark discharge atomic emission spectrometric method (routine method)
* GB/T 5313-2010 Steel plates with through-thickness characteristics
* GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
* GB/T 11263-2010 Hot-rolled H and cut T section steel
* GB/T 14977-2008 General requirement for surface condition of hot-rolled steel plates
* GB/T 17505-1998
* GB/T 20066-2006 Steel and Iron-Sampling and Preparation of Samples for the Determination of Chemical Composition
* GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
* GB/T 20124-2006 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
* GB/T 20125-2006 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method