Goldenman Petroleum Equipment Co.,Limited
5 1

Kelly

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Goldenman Petroleum Equipment Co.,Limited
[China]

Address
Jinan Road  Dongying Shandong
Phone
86-1867868-7537
Contact name
Aisa

Description

Square Kelly Hexagonal Kelly, material AISI4145H.
Our company offers square and hexagonal kellys. Kellys are available up to 46 feet long.Our kellys are made from 4145H modified alloy bars that are quenched and tempered full length. A hardness range of 285 to 341 BHN and a minimum impact value of 40ft-lbs are maintained one inch below the surface at room temperature. All ends and center drive sections trepanned to provide true bores. They are drifted to API specifications, and all connections are machined. Kellys are stamped with the API monogrom, where applicable.


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