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3 1/2" API 5D Drill pipe

3 125

1)3 1/2 S135 drill pipe for drlling 
2)OD:2 3/8,2 7/8,3 1/2,4 1/2,5'' 

3)Standared:API 5DP 
4)Grade:E75,X95, G105, S135

 1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2"

2) Steel Grade: E75, X95, G105, S135

3) Type of end finish: EU-external upset, IEU-internal & external upset

4) All drill pipe are made according to API 5D

5) We can provide in many conditions, with or without hard banding (Arnco100, Arnco300, tungsten carbide etc).


 1. Products:API-5D-Drill-pipe

• Drill pipe: Oil drill pipe, Water well drill pipe , geological drill pipe,
Flat drill pipe, Non-did drill pipe

• Other Drilling Tools : Drill collar and drilling joints

2. The advantage of longway company:

• All the drill pipe produced In accordance with API 5DP.
• Competitive Price

• Quick delivery

3.Drilling Pipe Specifications:

API Specification Friction welding drill pipe


2 3/8''


3 1/2''


4 1/2


Wall Thickness (mm)







Steel Grade

E75 X95 G105 S135 R780

Upset style



Water well drill pipe:

OD of pipe body: Φ50, Φ60, Φ73, Φ89, Φ102, Φ114, Φ127

OD of tool joint: Φ65, Φ75, Φ105, Φ127, Φ133.4, Φ158.8, Φ168

Tool joint material: 42CrMo 45 Mn2, 40 Cr, 35CrMo, 4137H

4. Other requirement according to clients

Internal Coating: TK34, TC2000,

Hardbanding: ARNCO 100XT,200XT, 300XT, BOTN3000, RMACORM

Length: R1:5.49-6.71m ;R2: 8.23-9.14m ;R3: 11.58-13.72m

 Usage As the major part of drill stem,drill pipe connected with Kelly and drill collar,
which is used to put torque to drill bit and drill collar.


The Pipe Body in conformance in API. 5DP with serious inspection in Plant.

 Tool Joints are made of AISI 4137H premium alloy steel fully Q&T with IPSEN furnace.
All tool joints should be inspected by fluorescence magnetic particle and ultrasonic method.



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We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!