1. Scope
This standard specifies dimension, shape, weight, tolerance, specification, testing method, inspection rules, package, mark and quality certificate of hot-rolled H section and hot-rolled H section Cut T section steel.
This standard is applicable to hot-rolled H section (hereinafter referred to as H section) and hot-rolled H section Cut T section steel.
2. Normative References
For dated reference, subsequent amendments (excepting corrigenda content) to, or revisions of, any of these publications do not apply. Parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to apply in the standard.
GB/T 222-1984 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis
GB/T 223.3 Methods for Chemical Analysis of Iron, Steel and Alloy - the Diantipyryl Methane Phosphomolybdate Gravimetric Method for the Determination of Phosphorus Content
GB/T 223.4 Methods for Chemical Analysis of Iron, Steel and Alloy - the Volumetric Method for Determination of Manganese Content by Ammonium Nitrate Oxidation
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 223.10 Methods for Chemical Analysis of Iron, Steel and Alloy - the Cupferron Separation-chrome Azurol S Photometric Method for The Determination of Aluminum 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 223.13 Methods for Chemical Analysis of Iron, Steel and Alloy - the Ammonium Ferrous Sulfate Titration Method for the Determination of Vanadium Content
GB/T 223.14 Methods for Chemical Analysis of Iron, Steel and Alloy - The N-benzoyl-N-phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content
GB/T 223.16 Methods for Chemical Analysis of Iron, Steel and Alloy - the Chromotropic Acid Photometric Method for the Determination of Titanium Content
GB/T 223.17 Methods for Chemical Analysis of Iron, Steel and Alloy - the Diantipyrylmethane Photometric Method for the Determination of Titanium Content
GB/T 223.18 Methods for Chemical Analysis of Iron, Steel and Alloy - the Sodium Thiosulfate Separation Iodimetric Method for the Determination of Cupper 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 Methods for Chemical Analysis of Iron, Steel and Alloy - the Dimethylglyaxle load Spectrophotometric Method for the Determination of Nickel Content
GB/T 223.24 Methods for Chemical Analysis of Iron, Steel and Alloy-- the Dimethylglysevere Spectrophotometric Method for the Determination of Nickel Content
GB/T 223.26 Methods for Chemical Analysis of Iron, Steel and Alloy -- the Thiocyanate Direct Photometric Method for the Determination of Molybdenum Content
GB/T 223.36 Methods for Chemical Analysis of Iron, Steel and Alloy-- the Neutral Titration Method for the Determinaion 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 223.39 Methods for Chemical Analysis of Iron, Steel and Alloy - the Sulphochlorophenol S Photometric Method for the Determination of Niobium Content
GB/T 223.40 Methods for Chemical Analysis of Iron, Steel and Alloy- the Anion-exchange Separation-sulphochlorophenol S Photometric Method for the Determination of Niobium Content
GB/T 223.49 Methods for Chemical Analysis of Iron, Steel and Alloy - Extraction Separation-chlorophosphonazo mA Spectrophotometric Method for the Determination of the Total Rare Earth Content
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 Extraction-absorption Catalytic Polarographic Method for the Determination of Manganese Content
GB/T 223.59 Methods for Chemical Analysis of Iron, Steel and Alloy - The Reduced Molybdoantialuminiumnyl Phosphoric Acid Photometric Method for the Determination of Phosphorus Content
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 Methods for Chemical Analysis of Iron, Steel and Alloy - The Flame Atomic Absorption Spectrometric Method for the Determination of Manganese Content
GB/T 223.67 Methods for Chemical Analysis of Iron, Steel and Alloy - The Reducing Distillation-methylene Blue Photometric Method for the Determination of Sulfur Content
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 Methods for Chemical Analysis of Iron, Steel and Alloy -- the Gas-volumetric Method after Combustion in the Tube Furnace for the Determination of Carbon Content
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 Methods for Chemical Analysis of Iron, Steel and Alloy - the Alumina Chromatographic Separation-barium Sulfate Gravimetric Method for the Determination of Sulphur Content
GB/T 223.76 Methods for Chemical Analysis of Iron, Steel and Alloy - The Flame Atomic Absorption Spectrometric Method for the Determination of Manganese Content
GB/T 228 Metallic Materials Tensile Testing at Ambient Temperature (GB/T228 - 2002, egv ISO ISO 6892:1998 (E))
GB/T 229-1994 Metallic Materials - Charpy Notch Impact Test (GB/T229 - 1994, egv ISO 83: 1976 ISO 148:1983)
GB/T 232 Metallic Materials Bend Testing Methods (GB/T232 - 1999, egv ISO 7438:1985 (E))
GB/T 700 Carbon Structural Steels
GB 712 Hull Structural Steel
GB/T714 Structural Steel for Bridge
GB/T 1591 Low-alloy High-tensile Structural Steel
GB/T 2101-1989 General Requirements of Acceptance, Packaging, Marking and Certification for Section Steel
GB/T 2975-1998 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing (GB/T2975 - 1998, eqv ISO 377:1997)
GB/T 4171 Superior Atmospheric Corrosion Resisting Structural Steel
GB/T 4172 Atmospheric Corrosion Resisting Steel for Welded Structure
GB/T 4336 Standard Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low-Alloy Steel (Routine Method)
3. Order Content
Contract or order made according to this standard shall contain the following content:
A) Product Name and Type
B) Designation;
C) Standard Number;
D) Specification;
E) Delivered product length;
F) Weight and Quantity
G) Other special requirements proposed by the demand side like special specification, special surface quality requirement.
Contents
Foreword
1. Scope
2. Normative References
3. Order Content
4. Classification and Code
5. Dimension, Shape, Weight and Tolerance
6. Technical Requirement
7. Testing Method
8. Test Rules
9. Packing, Marking and Quality Certificate
Appendix A
Appendix B
