API 7 1 4145H квадратный Келли и шестиугольный

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Цена:*

Количество:

  • В избранное

Описание и отзывы

Характеристики



Product Description


Product Application

Kelly is located in the top of the drill string, with square and hexagonal. In rotary drilling, when it is drilling, kelly connected with square bushing and rotary bushing, transfer the ground rotary torque to drill pipe and to drive the drill bit,bearing the weight of the drill string.In the drilling of the turbine and screw, the weight of the drill string and the counter torque are supported.










Mechanical Property




Mechanical Property
Outside Diameter Range
Yield Strength
Tensile Strength
Elongation
HB
Charpy impact 
mm
in
MPa
Psi
MPa
Psi
A%
Akv  J
79.4~171.4
3-1/8~6-3/4
≥758
≥110000
≥965
≥140000
≥13
285~341
≥54
177.8
7
≥689
≥100000
≥930
≥135000
≥13
285~341
≥54
Under special conditions, the impact work of the charpy can be determined as greater than 70J according to the supply and demand








Certifications




Package &Delivery








Company Profile



Dongying Kangya Petroleum Equipment Co.,Ltd.is a professional manufacturer and supplier of all types of petroleum equipment.The company is located in Dongying, the beautiful petroleum city at Yellow River Delta, covers an area of more than 330 million square meters.
And we have many years of history in the petroleum equipment industry.Our main products include drilling equipment,oil production equipment,wellhead equipment,well control equipment,downhole tools,OCTG pipe, vavle & pipe fitting and oilfield tools.
Currently,our products is already exported to America, Middle East, Australia,Africa and 20 other countries and regions.
Our company has always focused on research, development and innovation.Kangyapetro will initiate the second phase of our development strategy.Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet.
We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.



FAQ


1) How can I place order?

A: You can contact us by email about your order details, or place order on line.

2) How can I pay you?

A: After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are using.

3) What's the order procedure?

A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.

4)How do you take care when your clients received defective products?

A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.

5)How do you check all the goods in the production line?


A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.



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