API 5CT N80 oilfield casing pipe

Posted:2018-07-19 16:56:34

During heat therapy, N80-1 steel is handled by normalizing and tempering, when N80Q steel is handled by quenching and tempering. Hence, the collapsing strength and inside stress energy of N80Q are higher than that of N80-1. N80-1 or N80Q really should be evidently demonstrated from the designer when N80 casing is chosen.
The strict quality need for metal is due to the cruel doing work problems of casing. The steel solution ought to be createdexclusive specifications or specs. ISO 11960 and API Spec 5CT have specific the metal solution expectations of oil casing.

Specifications of API 5CT N80 oilfield casing pipe

Parameters	CASING PIPE DATA
Material	N80 Steel Grade
OD	4-1/2″- 20″ (114.3~508mm)
WT	5.21-16.13mm
Thread	BTC, LTC, STC connection
LR	R1 R2 R3

As a result of higher capacity for N80 materials, individuals API-5CT casing and tubings are broadly utilized in pure gas at the same time as coal bed methane extraction, and geothermal wells.

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