different drill pipe pup joint dimensions fungsi perforated pup joint

All pump joints are made from modified alloy steel heat-treated to a Brinell Hardness range of 285–341 with a CharpyV-Notch minimum impact strength of 40 ft-lbs at 70°F guaranteed to one inch below the surface. Connections can becold 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;

We will choose the suitable packing for different goods, protect the safety of goods and help customer to design the economical shipping plan at same time.

Packaging Details:ply-wooden crate,steel,frameDelivery Detail: Shipped in 10 days after payment

TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO.,LTD is a modern professional industry and trade combined enterprise specializing in producing and trading seamless steel pipes.The main products of our company are the oil casings and oil pipelines. We not only supply our goods with many large oil fields, but also establish a long-term business relationship with the Middle East Europe, Africa and other countries around the world and co-operative very well.

FAQ:

Q: How long is your delivery time?A: If there are stocks, take 5-10days to delivery for small quantity, and 30-40days for bigger quantity;If no stock, depends on the steel billet purchase,Q: What about your payment term?A: Usually T/T or L/C, 30% deposit and 70% before delivery.Q: what about your standard delivery dateA: 30 days after receiving deposit .We are pleased to provide you with best services in consulting, purchasing,transportation, installation, and after-sales services.

We would like to establish long term business with any reliable partner in the world . Any interesting or questions, pls don't hesitate to contace us . Waiting for your kindly reply . Thanks