Release time：2024-04-07 17:44:40
The production and quality standards of steel pipes are produced according to different quality standards in different countries and regions of use
The conventional standards are divided into
1. In China, the standard is GB/T3091-2015, and the material is Q195, Q235, and Q345 (seamless steel pipe material is 20 # and 45 #)
2. The standards in the international market include:,
American standard ASTM A106- A53
Australian Standard AS/NZS1163-2016-C250 C350 C450
British standard BS1387-1985-Q235 Q235B Q345
