Standard No.:	TB/T 1979-2014
English Name:	Atmospheric corrosion resisting steel for railway rolling stock
Chinese Name:	铁道车辆用耐大气腐蚀钢
Chinese Classification:	S52    Railway trucks
Professional Classification:	TB    Professional Standard - Railway Transport
ICS Classification:	45.060.10 45.060.10    Tractive stock 45.060.10
Issued by:	National Railway Administration
Issued on:	2014-09-26
Implemented on:	2015-3-1
Status:	superseded
Superseded by:	TB/T 1979-2023
Superseded on:	2024-4-1
Superseding:	TB/T 1979-2003 Technical specification for the procurement of atmospheric corrosion resisting steel for railway rolling stock
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	60.0
Delivery:	via email in 1 business day

1 Scope This standard specifies dimension, shape, weight and permissible deviation, steel designation expression methods, technical requirements, inspection method, inspection rules, packaging, marking and certification of atmospheric corrosion resisting steel for railway rolling stock. This standard is applicable to hot-rolled and cold-rolled steel plates, steel strips and profile steels made of atmospheric corrosion resisting steel for railway rolling stock. 2 Normative References The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223 Methods for Chemical Analysis of Iron, Steel and Alloy 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 708 Dimension Shape Weight and Tolerance for Cold-rolled Steel Plates and Sheets GB/T 709 Dimensions, Shape, Weight and Tolerances for Hot-rolled Plates and Sheets 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) GB/T 6394 Metal - Methods for Estimating the Average Grain Size GB/T 10561 Steel - Determination of Content of Nonmetallic Inclusions - Micrographic Method Using Standards Diagrams 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 20125 Low-alloy Steel - Determination of Multi-element Contents - Inductively Coupled Plasma Atomic Emission Spectrometric Method TB/T 2375 Testing Method for Cycle Infiltration and Corrosion of Railway Weather-resistance Steel 3 Dimension, Shape, Weight as well as Their Permissible Deviation 3.1 The dimension, shape, weight and permissible deviation of steel sheet and strip shall meet those specified in GB/T 709 and GB/T 708. 3.2 The dimension，shape，weight and permissible deviation of hot-rolled profile steel shall meet those specified in GB/T 706; dimension, shape and permissible deviation of cold formed profile steel shall meet the requirements for corresponding products.

Foreword i 1 Scope 2 Normative References 3 Dimension, Shape, Weight as well as Their Permissible Deviation 4 Steel Designation Expression Method 5 Technical Requirements 6 Inspection method 7 Inspection Rules 8 Packaging, Marking and Quality Certificate Appendix A (Informative) Comparison between Designations of Atmospheric Corrosion Resisting Steels in Former and New Standards