- Seamless steel tube
- 2016-10-26 10:19
- Size range:Seamless from DN15 to DN600 ( 1/2 " to 24 " ), the pressure rating of SCH5S ~ SCH160SSingle slit from DN15 to
- The standard ( GB, CB/T )
- 2016-10-26 09:40
- In 1, the sealing surface form:Plane ( FF ), convex, concave and convex surfaces ( RF ) ( MFM ), ( TG ), tongue and groo