For each order item, the delivery condition for PSL 1 pipes shall be at the option of the manufacturer unless a specific delivery condition is specified in the purchase order. Delivery conditions shall be as given as follows.For PSL 2 pipes, the delivery condition shall be in accordance with the purchase order as specified in the steel name.
The abbreviation of delivery status
:
N---Normalizing
T---Tempering
Q---Quenching
N+T---Normalizing+Temperingļ¼
Q+T---Quenching+Tempering
CR--controlled rolling
TMCP--Thermomechanical control process
A--Annealing
SR--stress-relief annealing
ACC--accelerated cooling
NR--Normalizing Rolling
For example,Delivery condition of API 5L grade X65
PSL 2 pipe mostly is Normalizing rolling pipe or quenched and tempered pipe.
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