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 |