1. Product Name:LTC Round Thread Casing Coupling
2. Product Description:Introduction

Long Thread Connection Couplings are short lengths of pipe used to connect 2 joints of casing.They come with painted colour codes on their external surface to indicate their grades.Couplings are manufactured according to API 5CT and 5B specifications.
Specification
Size 4-1/2"~20"
Material Grade J55\K55\N80\L80\P110\Q125\L80-9Cr\ L80-13Cr
Thread Type LTC\STC
Product Description
Size Outside Diameter(mm) Weight(kg)
STC LTC
4-1/2" 127.00 3.62 4.15
5" 141.30 4.66 5.75
5-1/2" 153.67 5.23 6.42
6-5/8" 187.71 9.12 11.34
7" 194.46 8.39 10.83
7-5/8" 215.90 12.30 15.63
8-5/8" 244.48 16.23 21.67
9-5/8" 269.88 18.03 25.45
10-3/4" 298.45 20.78 -
11-3/4" 323.85 22.64 -
13-3/8" 365.12 25.66 -
16" 431.80 34.91 -
18-5/8" 508.00 54.01 -
20" 533.40 43.42 57.04
Main Feature
1.High Precision in Size and shape
2.Good corrosion resistance
3.High collapse strength
4.Excellent comprehensive mechanical properties
5.High connection strength and salability
6.Constant mechanical properties at high temperature
Advantage
1.Full-set quality control
2.Strict quality inspection
3.Tight Tolerances
4.Technology Support
5.As international standard
6.Good quality and prompt delivery
Package&Delivery
Packade In Fumigation-free wooden cases,Wooden pallet packaging
Delivery Within 15-75 days(Based on actual quantity)
Shippment By sea,By air
Customer Show

Test & Inspection
According to API 5CT,API 5B or customer specified standards strict inspection and test system is used before shipping including appearance inspection, dimension inspection, chemical composition inspection, performance test, etc.
Certificate

FAQ
Q: How many days of your delivery?
A: According to your quantity.

Q: What is your main payment itme?
A: 30% down payment,70% paid before delivery.

Q: Surface coating?
A: Phosphating, painting, and marking, as per customers' request.

Q: Packing?
A: In Fumigation-free wooden cases,Wooden pallet packaging, or as per customers' request.

Q: Shipment terms?
A: Container vessel, bulk cargo ship, train, land transportation.

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

Contact:harry
Inquiry:harry@dlpoctg.com
Whatsapp:008618892205553
3. Price:7.00
4. Product Website: http://www.dlpoileqpt.com
5. Company Description: TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO., LTD
6. Address: TianjinTianjinTianjinJinghaiThe north side of the Beihua Road Jinghai Village Jinghai Town Tianjin City,China
7. Descption: Tianjin Dalipu Oil Country Tubular Goods Co.,Ltd was formally established in March 2008, located in Tianjin, China, close to the capital Beijing and Tianjin Port, convenient transportation, unique geographical location.
8. Registered Capital: 5000000
9. EmployeeNum: 50
TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO., LTD
10. Contact: JamesWang
11. Telphone: 86-22-68698931
12. Fax: 86-22-68690382
13. Email: api.octg@aliyun.com
14. Company Website: http://www.dlpoileqpt.com