May I ask what material EN39 is? Used to make a threaded pipe joint
Groove connection: This is the most advanced connection mode at present. There are two two connecting pipes, valves, or pipes and valves that are connected by clamps. In the outer pipe or valve connecting end have an annular groove manufactured according to the standard, when connected with a supporting clamp. Site construction, installation and disassembly are very convenient and quick. Not only the seal is reliable, but also saves time and material. It has incomparable advantages in large caliber connection.
It specifies the material and tolerance requirements of the steel pipe. From the material point of view, the steel in the EN39 standard is similar to that of China's Q235B.
EN39 is a European standard, the standard number is EN39:2001. The standard formal name is: carbon steel pipe for scaffolding.
