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square kelly,drilling tools,2-1/2" - 6",4145H

square kelly,drilling tools,2-1/2" - 6",4145H

Brand Name: MTWK
Certification: API SPEC 7-1
Model Number: 015
Minimum Order Quantity: 1 PIECE
Delivery Time: 20 days
Payment Terms: T/T50% IN ADVANCE AND BALANCE PAID BEFORE SHIPPING
Beijing Metalwork Petroleum Technology Co., Ltd
Active Member
Beijing Beijing
Business type: Manufacturer, Exporter
Telephone : 86-10-52891298
yangzhuang nanli,tongzhou district, beijing
Supplier`s last login times: within 39 hours
English

Square kelly


Kelly pipe is divided into square kelly and hexagonal kelly.

Kelly is located at the top of the drill string,

it can transfer torque and bear the weight of the drill string.

We can produce customized ones from 2-1/2to 6.

They are forged with 4145H or rolled with premium rolling steel,

and they are treated by quenching and tempering heat treatment all the length,

so the BH can achieve 285-341,

and Charpy impact energy≥54J.

Machining can ensure the holes eccentric degree reaches the standard minimum thickness the end,

the section and the joints of the pipe are produced and tested according to API SPEC7-1 and SY/T6509-2000, and are detected by ultrasonic all the length.


Product Tags:

square kelly

      

kelly bushing

      

kelly pipe

      

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