This standard specifies the general requirements, material requirements, structural requirements, manufacturing requirements, painting, lettering and marking, etc. of railway freight car.
This standard is applicable to the new standard-gauge railway freight car with design speed less than or equal to 120km/h and axle load less than or equal to 25t. The new railway freight car with design speed larger than 120km/h, axle load larger than 25t or special requirements may also refer to the provisions of this standard.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB 146.1 Rolling Stock Gauge for Standard Gauge Railways
GB/T 699 Quality Carbon Structural Steels
GB/T 700 Carbon Structural Steels
GB/T 1591 High Strength Low Alloy Structural Steels
GB/T 5599 Railway Vehicles; Specification for Evaluation the Dynamic Performance and Accreditation Test
GB/T 17425 Purchase and Acceptance of Couplers and Coupler Yokes for Freight Service
JB 4708 Welding Procedure Qualification for Steel Pressure Vessels
TB/T 1.1 Lettering and Marking of Railway Cars - General Regulations
TB/T 493 Assembling Specifications of Couplers and Draft Gears for Railway Car
TB/T 1254 Technical Specification for Tipping over Turbine Casing
TB/T 1335 Code for Strength Design and Test Evaluation of Railway Rolling Stock
TB 1560 General Requirements for Safety Technology of Freight Car
TB/T 1808 Technical Specification for Electric Equipment of Mechanical Refrigerator Car
TB/T 1811 Technical Specification for Cooling-heating Equipment for Mechanical Refrigerator Car
TB/T 1883 General Technical Specification for Two-axle Bogie for Railway Freight Wagon
TB/T 1901 Technical Specification for Assembling of Vehicle Braking Device
TB/T 1961 Buffer for Rolling Stock
TB/T 1979 Technical Specification for the Procurement of Atmospheric Corrosion Resisting Steel for Railway Rolling Stock
TB/T 2424 Technical Specification for Chained Hand Brake of Horizontal Wheels of Freight Car
TB/T 2879.1 Paint and Painting of Railway Rolling Stock - Part 1: Technical Specification for Supply of Paints
TB/T 2879.3 Paint and Painting of Railway Rolling Stock - Part 3: Technical Specification for Surface Treatment of Metallic and Nonmetallic Materials
TB/T 2879.4 Paint and Painting of Railway Rolling Stock - Part 4: Technical Specification for Protection and Painting of Freight Car
TB/T 2942 Specification of Purchase and acceptance of Steel Castings for Railway
TB/T 2950 Interlock Coupler Connection Contour
TB/T 2978 Technical Specification for Geared Brake of Vertical Wheels of Railway Freight Car
TB/T 3304 Technical Requirements for Railway Goods Loading and Reinforcing
3 General Requirements
3.1 The design and manufacture of freight car and its components and parts shall meet the requirements of this standard, the relevant standards and the product drawings and technical documents approved by the established procedures.
3.2 The operating environment temperature is -40℃~+40℃.
3.3 The safety technical requirements shall meet those specified in TB 1560.
3.4 The shape contour shall meet those specified in GB 146.1.
3.5 The coupled freight car shall be able to pass the curve with minimum radius of 145m.
3.6 The strength design of freight car and its main components and parts shall meet those specified in TB/T 1335.
3.7 The dynamic performance of complete freight car shall meet those specified in GB/T 5599.
3.8 The loading and reinforcing devices set on freight car shall meet those specified in TB/T 3304.
3.9 The covered freight car shall have the performance resisting rain and snow seepage; the structure of open car shall be beneficial to water drainage.
3.10 The vulnerable and consumable parts which should be disassembled and assembled during operation and repair shall be convenient for replacement.
3.11 For the under-train fastened or suspended components, proper measures against looseness and release shall be taken, and safety protection devices shall be installed additionally if necessary. For the dismountable accessories like bonnets, proper protective measures against loss or accidental opening and dismounting shall be taken.
3.12 General freight car shall be able to pass car retarder and mechanized hump.
3.13 Automatic brake and manual brake shall be set, both of which shall be able to work independently.
