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Kelly Drill Pipe - China
price: 1000.00 Dollar US$
Product description: Kelly is the drive part of whole drill stem, it has two types, square kelly and hexagonal kelly and all of them are manufactured comfort to API Spec7-1 and SY/T6509-2000 criterion.
Our Square& Hexagonal kelly are made from AISI 4145H modified alloy bars that are quenched and tempered full length.
After such heat treatment, its brinell hardness can reach 285-341 - Kelly's end, drive cross-section and joint are all processed and tested comform to API criterion.
The Main Technical Specification of Kelly ( Square& Hexagonal ) Norminal Size (in) Length(ft) Top Upset Joint Bottom Upset Joint Bore D Drive Section API BOX Thread Left Hand Du Right Hand Connections DL Across Corners Across Flates 3-1/2 40 6 5/8REG 7 3/4 NC38(3 1/2IF) 4 3/4 2 1/4 4.437 3 1/2 4-1/4 40 6 5/8REG 7 3/4 NC46 (41F) NC50(4 1/2IF) 6~6 3/8 6 1/8~6 3/8 2 13/16 5.500 4 1/4 5-1/4 40 6 5/8REG 7 3/4 NC50 5 1/2FH 7 3 1/4 6.750 5 1/4 6 40 6 5/8REG 7 3/4 NC50 7 3/4 3 1/2 7.625 6 We are responsible for customers, strictly implement the standard specifications, and provide high-quality products and service.
Sincerely hope to establish good trade relationship with all friends at home and abroad.
Company Contact:
- Posted By: Dongying Lake Petroleum Technology Co., Ltd
- Phone: +865467080021
- Address: Huanghe Road, Dongying , Shandong , China
- Email:
- Website: https://www.lakepetro.com
Published date: September 18, 2020
- Business Description: We are a supplier from China for Oilfield equipment and tools: BOP, Mud pump, Valves, pipes, Handling tools, Downhole tools, Solid control, Wellhead control, flanges, fittings and spare parts.
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