Pipe Markings

[LDOG]

What is the difference between pipe stamped A53/A106/API 5L and pipe stamped A333?

 

[rustbuster]

A333 Gr 6 is rated for low temperature service.

 

[t1t2t3]

A53:Specification for pipi,steel, Black and Hot dipped, Zinc Coated, welded and seamless.
A106; Specification for seamless carbon steel pipe for High temperature service.
A333: Specification forr seamless and welded pipe for Low-Temperature service.
API 5L : Specification for line pipe

 

[LDOG]

Thanks for the replies....your help is appreciated.