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8 Singapore 
5 France 
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1 Philippines 
1 UK 
1 Hong Kong 
Api 7 1 High Quality Drilling Square Kelly Bar Hexagonal - China
price: contact company for price
API- 7- 1 High Quality Drilling Square Kellys Bars
We can manufacture square drill rods and hexagonal drill rods as per requirements of customers.
They are made of AISI 4142H- 4145H forged or rolled alloy structural steel.
Quenching plus tempering thermal treatment will be conducted over the whole length.
Its Brinell hardness can reach 285- 341 on the basis of such thermal treatment.
Charpy impact energy: >or =54J.
The formulated process can ensure that the misalignment of the hole reaches the standard wall thickness.
Kelly bars are manufactured according to API- 7- 1 Spec.
note: please provide your demand in detail, we will supply accordingly.
Thanks!
Company Contact:
- Posted By: Dongying Lake Petroleum Technology Co., Ltd
- Phone: 00865467080020
- Address: Huanghe Road, Dongying City, Shandong, China, Dongying , China
- Email:
- Website: https://www.lakepetro.com
Published date: November 21, 2015
- Business Description: Dongying Lake petroleum is a professional oileild equipment supplier in China.
Our products range includes: Drilling accessories, oil production equipment, OCTG, Wellhead, well control equipment etc.
We have good experience on exporting petroleum equipment oto our foreign clients.
The good quality has been highly appreciated by them.
Welcome any client who has interest in this filed come and consult.
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