11-3/4 Coupling N80Q Grade

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
Chat Now

Product Details

QQ图片20180921182947_副本_副本.jpg

About Us

Tianjin Dalipu Oil Country Tubular Goods Co., Ltd is currently an emerging production and marketing enterprise based production Casing and Tubing.

Main products:

①Tubing(1.9"-4-1/2");②Casing(4-1/2"-20")③Pup Joint ④Coupling ⑤Crossover ⑥Thread processing

Material:J55/K55/N80-1/N80Q/L80/P110/C90/T95/Q125/80S/80SS/90S/90SS/L80-3Cr/L80-9Cr/L80-13Cr

Thread Type:EUE,NUE,LTC,STC,BTC,IF,REG,High gas seal processing.

coupling14657_副本.jpg

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\L80-3Cr\L80-9Cr\L80-13Cr

Thread Type

STC\LTC\BTC\Premium Connection

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

Product Image
coupling037077755_副本.jpg
                N80 Coupling

coupling017_副本.jpg
                 L80 Coupling

coupling114119_副本.jpg
              J55/K55 Coupling


coupling20110533_副本.jpg

L80-13Cr


coupling720110550_副本.jpg

L80-13Cr


coupling0720110545_副本.jpg

L80-13Cr


coupling7_113442_副本.jpg

K55 Special Clearance


coupling417_114005_副本.jpg

L80 Special Clearance


IMG_20170417_113329_副本.jpg

J55 Special Clearance

68519102_1512294901364_mthumb_副本.jpgMain 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


mmexport1477528395938_副本_副本.jpg

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

Our Services
HTB1LJaAgUR1BeNjy0Fmq6z0wVXau.jpg_.webp.jpg

Processing flow chart


Hbc788a2c14734cc69ff0153e2a75536au.jpg_.webp.jpg

Testing equipment

①Raw Material Inspectioon Device:Ultrasonic Detector;②Hydraulic Tester:PPT-80; ③Ultrasonic Pachometer:HCH-2000C ④Magnetic Detector:EMW-4000;⑤Coating Pachometer:TT-26


coupling7_112311_副本.jpg

Processing Lathe


coupling_085146_副本.jpg

Processing Thread


coupling_085131_副本.jpg

Pneumatic Marking Machine


Coupling material
coupling_113240_副本.jpg

4-1/2"Material


coupling113237_副本.jpg

3-1/2"Material


coupling185152_副本.jpg

9-5/8"Material

Coupling Thread
IMG_20170516_143133_副本.jpg

LTC Thread


IMG_20180710_150147_副本.jpg

BTC Thread


IMG_20180713_114438_副本.jpg

EUE Thread

Coupling Phosphating
coupling3_090130_副本.jpg
coupling2141402567_副本.jpg
coupling1712141402566_副本.jpg
Coupling Painting
IMG_20180427_113617_副本.jpg
IMG_20180427_113720_副本.jpg
coupling7_113522_副本.jpg
Coupling Mark
coupling01_副本.jpg

5" LTC


IMG_20171029_150525_副本.jpg

2-7/8" NUE

Coupling Detecting
mmexport1479456175340_副本.jpg

Testing Equipment

Check whether the thread is qualified, the wall thickness is qualified, the outer diameter is qualified.

IMG_20180427_112215_副本.jpg
mmexport1501596315661_副本.jpg
Package&Delivery
PackadeIn Fumigation-free wooden cases,Wooden pallet packaging
DeliveryWithin 15-75 days(Based on actual quantity)
ShippmentBy sea,By air
IMG_20171018_163804 - 副本_副本.jpg

Carton packaging


packing3_副本.jpg

Steel strapping


packing1_副本.jpg

Wooden Pallet Package

Certificate

图片1


Customer Show
917223087073504619_副本.jpg
dalipu_副本.jpg
IMG_20140918_150540_副本.jpg
Petroleum Exhibition
IMG_20140925_115455_副本.jpg
QQ图片20190601104238_副本.jpg
微信图片_20191019103247_副本.jpg
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: Anti-rusted painting, varnish painting, galvanized, and as per customers' request.

 

Q: Packing?

A: In bundles or in loose, plastic pipe cap or pipe end protector, or as per customers' request.

 

Q: Shipment terms?

A: Container vessel, bulk cargo ship, train, land transportation.

Contact Us

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

名片

Hot Tags: 11-3/4 coupling n80q grade, China, manufacturers, factory, in stock

Inquiry

You Might Also Like