This standard specifies the order contents, model, dimension, shape, weight as well as permissible deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certification of hot-rolled light rails.
This standard is applicable to hot-rolled light rails for track of mining, forestry and architecture etc.
2 Normative References
The following documents for the application of this document are essential. For dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
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 223.53 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 Iron Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method
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 223.68 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 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature
GB/T 231.1 Metallic Materials - Brinell Hardness Test - Part 1: Test Method
GB/T 2101 General Requirement of Acceptance, Packaging, Marking and Certification for Section Steel
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)
YB/T 081 Rule for Rounding Off of Numberical Values and Judgement of Testing Values for Technical Standards of Metallurgy
3 Order Contents
The user shall provide the following information during ordering according to this standard:
a) No. of this standard;
b) Designation;
c) Model;
d) Length;
e) Weight;
f) Other requirements.
