For ordering pipes, the following information is required to describe the desired material adequately:
ASTM Specificationdesignation : A 53, A106, …etc.
Quantity ( metres or number of lengths)
Grade A, B. ( According to the chemical requirements, e.g. C and Mn 0.3% and 1.2% for Grade B)
TypeF (furnace-butt welded, continuous welded), E(ERW), S(seamless). ( According to the tensile requirements)
- Finish (black or galvanized)[li]Size
[/li][li]Length (unless otherwise specified, the regular practice for pipes lighter than extra strong shall be single-random lengths of 4.88 to 6.71 m) [/li][li]End finish (plain end or threaded)
[/li] Engineering Services Manager, Engineering Department Kharafi National