Steel Tube Standards - SY

 

ASIA

   
 
SY Chinese National Standards
   
5036 Spirally submerged - arc welded steel pipe for pressure service
5037 Spirally submerged - arc welded steel pipe for ordinary fluid
5038 Spirally ERW line pipe for pressure fluid service - mill hydrostatic test pressure
5039 Spirally ERW line pipe for general low - pressure fluid service - mill hydrostatic test pressure
5040 Spirally submerged - arc welded steel pipe for piling
5297 Longitudinal pipe
5384 Longitudinal pipe