R780 Steel 0.3inch Wall Thick Forging DTH API Drill Pipe / Drill Casing Pipe

Brand Name:BaiWei
Delivery Time:20-30 working days, which will be adjusted according to different products and inventory
Payment Terms:T/T
Place of Origin:Hebei China
Price:Negotiable
Packaging Details:According to customer needs
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Verified Supplier
Location: Langfang Hebei China
Address: Yongqing Industrial Zone, Langfang, Hebei, China
Supplier`s last login times: within 48 hours
Product Details Company Profile
Product Details

API Drill Pipe , Casing Pipe Tubing Pipe


Product Description


The material

The geological drill rod body is made of special alloy steel rod (R780, DZ50), and the geological drill bit is made of high quality alloy structural steel (42CrMo), which is treated with true air conditioning, which greatly improves the anti-fatigue strength and anti-shear strength. [1]


The production process

Advanced friction welding welding process is adopted for production and processing, the drill rod has the characteristics of high bending strength and strong welding, which can ensure the requirements of straightness when drilling deep holes, and has a high fatigue strength and a long service life.


OD
A
Wall
B
Length
L
Weight
lbs
ID
Pin C
Across
Flat D
Flat
Length E
Dist From
Shoulder F
Flat
Length G
Across
Flat H
Connection
3.5".315"20'2451.75"2.75"12.5"3.25"2.25"3.25"2 3/8IF
4.5".337"20'3451.75"3"12.5"3.25"2.375"4"3 1/2 Reg
4 1/2".337"20'3452 1/8"3"12 1/2"3 1/4"2 3/8"4"2 7/8 IF
4 1/2".337"25'4301 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
4 1/2".337"25'4302 1/8"3"12 1/2"3 1/4"2 3/8"4"2 7/8 IF
4 1/2".337"30'5101 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
4 1/2".500"25'5101 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
4 1/2".500"30'6151 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
4 1/2".750"25'8051 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
5".500"25'6951 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
5".500"30'7751 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
5".750"30'11001 3/4"3"12 1/2"3 1/4"2 3/8"4"3 1/2 Reg
5".750"25'9301 1/2"3"12 1/2"3 1/4"2 3/8"4 5/8"3 1/2 Beco
5 1/2".750"25'10451 1/2"3"12 1/2"3 1/4"2 3/8"4 5/8"3 1/2 Beco
5 1/2".750"30'12401 1/2"3"12 1/2"3 1/4"2 3/8"4 5/8"3 1/2 Beco

Drill pipe usage notes


1. New drill pipe should be pasted oil before connection
2. Make up and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to clients’ special requirements






FAQ

Q: What is your delivery time?
A: It usually takes 20 days to produce. Within 3 days (if there is stock).

Q: How to control the quality?
A: Before shipping, we should check and test each drill rod.

Q: Do you agree to order samples?
A: Yes, we welcome your sample order to test our quality.

Q: Has your drill pipe been heat treated?
A: Yes, our heat treatment of drill pipe and casing.

Q: Does your drill pipe have anti-rust function?
A: Yes, each drill pipe and casing will be anti-rust with paint or anti-corrosion oil before transportation. If you need galvanized pipe, please contact us.

China R780 Steel 0.3inch Wall Thick Forging DTH API Drill Pipe / Drill Casing Pipe supplier

R780 Steel 0.3inch Wall Thick Forging DTH API Drill Pipe / Drill Casing Pipe

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