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API Spec 7-1 Square and Hexagonal Kelly for Oilfield
| US$4,500.00-5,000.00 | 1 Piece (MOQ) |
Production Capacity:
1000/year
Payment Terms:
L/C, T/T, EXW
Shanxi Huanjie Petroleum Drilling Tools Co., Ltd.
Shanxi, China
Last Login Date:
Apr 24, 2017
Business Type:
Trading Company
Main Products:
Drilling Tools, Drill Collars, Drill Pipes, Kelly, Integral Heavy Weight Drill Pipe, Non-Magnetic Drill Collars
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Product Description
Company Info
Basic Info.
Model NO.
5-1/4"
Size
5-1/4 Inch
Type
Petroleum Drilling Tool & Accessory
Usage
Well Drilling Machinery, Offshore Oil and Gas Field Exploitation Machinery, Oil and Gas Processing Machinery, Oil (Gas) Production Machinery
Certification
ISO, CE, API
Power Type
Diesel
Trademark
HJ
Specification
API
Origin
CHINA
HS Code
84314310
Product Description
Our company offers square and hexagonal kellys. Kellys are available up to 40 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.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: ≥54J. The formulated process can ensure that the misalignment of the hole reaches the standard wall thickness. Kelly bars are manufactured according to the technical code API.
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