The implemental standards for the oil casings are API 5CT; the specifications include from 60.3 to 508mm; the steel grades include J55, K55, N80, L-80, P-110, C-90, C - 95, T-95 and so on; the merchantable claspers areSTC , LTC, BTC .
The implemental standards for the oil pipelines are API 5L; the specifications include from 219.1 to 2032mm; the steel grades include Gr.B, X42, X46,X56,X60,X70,X80 and so on
At the same time we also supply a large number of seamless steel pipes in different uses, such as fluid pipes and structural pipes. Besides that, we have many years of co-operation ships with Tianjin Large Seamless Company, Baogang Steel Pipe Company, Anshan Steel Pipe Company, which make sure our abundant resources.
tubing pup joint EU L80,L8013Cr tubing pup joint,2-7/8" tubing pup joint stock,Tianjin Dalipu tubing pup joint
2-7/8inch N80 6.5PPF EUE Pup Joint of length 5-6meter
2-7/8inch N80 6.5PPF EUE Pup Joint of length 3-4meter
2-7/8inch N80 6.5PPF EUE Pup Joint of length 1.5-2meter
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.