api 5ct smart pup joint suppliers in DALIPU pup joint

All pump joints are made from modified alloy steel heat-treated to a Brinell Hardness range of 285–341 with a Charpy
V-Notch minimum impact strength of 40 ft-lbs at 70°F guaranteed to one inch below the surface. Connections can be
cold rolled after machining, if requested. All connections are phos-coated to prevent galling during initial make-up.
Nominal size: 3 1/2''OD ~ 6~ 5/8'' OD, Length: 5', 10', 15', 20'.
A pup joint is a pipe of non-standard length used to adjust the length of tubular strings to its exact requirement.
API casing and tubing pup joints are manufactured according to API Spec 5CT using prime API monogrammed,
seamless oil country tubing.

Outside Diameter4.5 to 20 inches nominal size ODWeightStandard or Heavy WallLengthsCustomized lengths available

from 2 to 20 ft.ConnectionsSTC, LC and BC and Premium Connections of leading manufacturers available.
Pup joint is kind of pipe without non-standard length to adjust the length of tubular strings to its exact requirement. API casing and tubing pup joint are produced according to API SPEC 5CT standard. Beyond the standard of oil casing pipe is called pup joint, the main oil casing pup joint material: J55, K55, N80, L80, C90, T95 and P110.

(1)With good mechanical strength and overall performance;

(2)The threads are cut on the NC machine on the joint to make sure the high precision of the threads and enhance

service life of the joint;

(3)With phosphate coating or copper plating to keep joint good wear-resistance;