National standards for steel rail

Rail standards are mainly developed by the International Union of Railways (UIC) and national railway standards organizations. Here are some common rail standards:

1. UIC 60: This is a widely used standard rail type with a weight of 60 kg/m.

2. UIC 54: Similar to UIC 60, the weight is 54 kg/m, and it is also one of the common standard rail types.

3. GB 50kg: A steel rail stipulated by the Chinese national standard, its weight is 50kg/m.

4. ASTM A1: A standard published by the American Society for Materials and Testing (ASTM) for steel rails in the United States.

5. EN 13674: A standard issued by the European Organization for Standardization (CEN) for rail use in Europe.

These are just some common rail standards, different countries and regions may have their own standards and specifications. It is recommended to consult the relevant railway standards body or engineering code for the most up-to-date information in a particular project.

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