Jiangsu, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, HSE
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: one month
OEM/ODM Service
Overseas Agent / Branch

Drill pipe, drilling equipment, drill collar manufacturer / supplier in China, offering Heavy Weight Drill Pipe (CDDP), Plug Valve (CDPV), Weld Neck Flange for Wellhead and so on.

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Heavy Weight Drill Pipe (CDDP)

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $300/ Piece
Production Capacity: 30000 Piece/Pieces per Month
Transport Package: bulk packing or by buyer
Payment Terms: L/C, T/T
Certification: API
Length: 8.84-9.75m
Usage: Oil Mining
Material: High Manganese Steel
API: 7k
Trademark: Chance Door

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Basic Info

Model NO.: CDDP
Origin: China
HS Code: 84314310

Product Description

Heavy Weight Drill pipe
Heavy Weight Drill pipe Product Details:
Oil drilling Drilling pipe
Use Well Drilling
Processing Type Casting
Material Stainless Steel
Type Drill Pipe
Certification API
Machine Type Drilling Equipment

The Heavy Weight Drill Pipe is made from one piece of AISI 4145H solid bar, fully heat-treated, all physical properties confirm with API Spec. 7 Latest Editions.

The wear-resistance hardbanding is standard on tool joints connections and central upset. Hardbanding is made by an automatic machine after preheating the pipe and is followed by stress relieving.

The Type of handbanding include Iron-Matrix powder alloy, Tungsten Carbide particle, and Arnco 100XT.

Standard Bands:

One 4" wear band on both pin and box ends, plus one 1" band on 18 degree shoulder of box.
Two 3" wear bands on central upsets
The hardbanding is completing flush on both joints and 1/8" oversize on the central upset (full flush on request).
Internal Coating: The HWDP could be internally coated with DPC (Equivalent to TK34) as customers request which are able to prevent corrosion and extend life.

Order Instruction:

Nominal Size
Hardbanding type
Internal coating if required.
Extra-long tool joints if required
API Stress relief recess.
Nom. Size (in)Approx. Overall Length (ft)Tool JointsTubeApprox. WeightMake-up Torque (lb-ft)
OD (in)ID (in)Conn.Center upset OD (in)Center upsets end (in)ID (in)Center upset length (in)lb/ftkg /jts
3 1/230.54 3/42  1/163 1/2IF43 5/82  1/162425.335011,500
430.55 1/42 1/24 FH4 1/24 1/82 1/22429.541017,300
4 1/230.56 1/42 13/164IF54 5/82 13/16244156525,500
530.56 1/2~6 5/834 1/2IF5 1/25 1/832449.368134,000
5 1/230.57~7 1/43 5/85 1/2 FH65 11/163 5/8245576038,000
6 5/830.58~8 1/446 5/8 FH7 1/46 3/44247097055,800
Integral Spiraled Heavy Weight Drill Pipe
Nom.Approx.Tool JointsTubeApprox. WeightMake-up
SizeOverall Torque
(in)Length (ft)OD (in)ID (in)Conn.Center upset OD (in)Center upsets end (in)ID (in)Center upset length (in)lb/ftkg /jts(lb-ft)
3 1/230.54 3/42  1/163 1/2IF43 5/82  1/1618.52838711,500
430.55 1/42 1/24 FH4 1/24 1/82 1/218.53345717,300
4 1/230.56 1/42 13/164IF54 5/82 13/1618.54562325,500
530.56 1/2~6 5/834 1/2IF5 1/25 1/8318.55474834,000
5 1/230.57~7 1/43 5/85 1/2 FH65 11/163 5/818.56285838,000
6 5/830.58~8 1/446 5/8 FH7 1/46 3/4418.576105255,800

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