To prevent the damage during transportation, pipe ends are covered with a cap. Spider supports at the end of the pipe are also installed in Large diameter pipe to protect the circularity of pipe.
Pipe Marking Inspection
Once the pipe is cleared all test and inspection, it is marked as per the standard requirements
The following shall be marked on the pipe
ASTM material code
Thickness- schedule no.
Special marking WR for weld repair or NH for the non-hydro tested pipe.
These Marking can be done by paint or by Hard punching
For stainless steel, pipe stenciling is also used
Please note that
For carbon steel no hard-punching below 6 mm thickness
For stainless steel no hard-punching below 12 mm thickness