What is the difference between ASTM A53 and A106 pipe?

The ASTM A53 standard was developed by the American Society for Testing and Materials (ASTM) and is mainly for welded and seamless carbon steel pipes, which are commonly used in industrial and mechanical fields, as well as water supply, heating and air conditioning systems in the construction industry.
The ASTM A106 standard is used to specify seamless carbon steel pipes, especially for high-temperature services such as power generation, chemical processing and petroleum refining.
The pipe types and manufacturing processes of the two are also different. ASTM A53 standard pipes can be divided into type F (seamless pipe) and type E (electrically welded pipe).
ASTM A106 focuses on seamless steel pipes. In terms of manufacturing process, ASTM A106 seamless steel pipes can be produced by hot rolling and cold drawing to meet different needs and production scales.
There are also differences in the chemical composition and mechanical property requirements of the two. Although both have strict regulations on the content of elements such as carbon and manganese, the specific values ​​and restrictions may be different.