GB/T 521-2023 Tire Outer Dimension Measurement Method is a national standard in China that provides guidelines for the measurement of tire outer dimensions. This standard specifies the method and equipment to be used for accurately measuring the outer dimensions of tires, including the overall diameter, section width, and rim width.
The standard is applicable to all types of tires, including passenger car tires, truck tires, and motorcycle tires. It is important to accurately measure the outer dimensions of tires as it directly affects the performance and safety of the vehicle.
The measurement method described in GB/T 521-2023 involves using specific equipment, such as a tire measurement machine or calipers, to obtain precise measurements. The standard also provides guidelines for the positioning of the tire during measurement to ensure consistency and accuracy.
By following the guidelines outlined in GB/T 521-2023, tire manufacturers, dealers, and users can ensure that the tires meet the required specifications and can be safely and efficiently used on vehicles. This standard aims to enhance the quality control of tires in China and promote the development of the tire industry.
GB/T 521-2023 history
2023GB/T 521-2023 Measurement method of tire outer edge size
2012GB/T 521-2012 Test method of measuring peripheral dimensions for tyres
2003GB/T 521-2003 Test method of measuring peripheral dimensions for tyres
1993GB/T 521-1993 Method of measuring tyre peripheral dimensions