API Spec 7 4145h Square Kelly & Hexagonal Kelly Pipe

• After-sales Service: 24 Hours Service
• Warranty: 1 Year
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Standard: AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN, API
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Model NO.: Hexagonal Kelly
• Material: Alloy Steel
• Product Name: Hexagonal Kelly Pipe
• Diameter: 2-1/2" ~ 6"
• Length: 7518/9042mm
• Applications: Oil Production, Oil and Gas
• Pipe Material: 4145h
• Transport Package: Bundle, Plastic Bag, Woven Bag, Wooden Case
• Specification: 2-1/2" ~ 6"
• Origin: China
• HS Code: 8431431000
• Production Capacity: 100000 Ton/Year

Product Description

API spec 7 4145H Square Kelly & Hexagonal Kelly pipe

Product Description

Product Application

Kelly is located in the top of the drill string, with square and hexagonal. In rotary drilling, when it is drilling, kelly connected with square bushing and rotary bushing, transfer the ground rotary torque to drill pipe and to drive the drill bit,bearing the weight of the drill string.In the drilling of the turbine and screw, the weight of the drill string and the counter torque are supported.

 

Product Parameters

Mechanical Property

 

Mechanical Property
Outside Diameter Range		Yield Strength		Tensile Strength		Elongation	HB	Charpy impact
mm	in	MPa	Psi	MPa	Psi	A%		Akv  J
79.4~171.4	3-1/8~6-3/4	≥758	≥110000	≥965	≥140000	≥13	285~341	≥54
177.8	7	≥689	≥100000	≥930	≥135000	≥13	285~341	≥54
Under special conditions, the impact work of the charpy can be determined as greater than 70J according to the supply and demand

 

 

 

Production

For common sucker rod:

Raw Material Test → Cold Straighten → Cut → Forge → Hot Treatment → Hot Alignment → Shot Blasting → Rod Head Machining → Assembly → Protective Cap → Package → Aczoiling Treatment.

For extra high tensile sucker rod:

Raw Material Test → Cold Straighten → Cut → Forge → Quenched And Tempered → Hot Treatment → Hot Alignment → Shot Blasting → Rod Head Machining → Surface Quenched → Assembly → Protective Cap → Package → Aczoiling Treatment.

Detailed Photos

 

Packaging & Shipping

Packing

· 1- Plastic caps plugged at the two sides of pipe ends

· 2- Should be avoided by the steel strapping and transport damage

· 3- Bundled signs should be uniform and consistent

· 4- The same bundle(batch) of steel pipe should be came from the same furnace.

· 5- The steel pipe has the same furnace number, the same steel grade, the same specifications.

Company Profile

Hunan Hengan Weiye Metal Products Co., LTD is subordinate to Hengan Weiye Steel Pipe Co., LTD. After more than 10 years of development, the company has become a leading enterprise in the industry, with more than ten thousand tons of stock, with processing bases in Guangzhou, Tianjin, Hubei and other provinces.

Main business: seamless steel pipe, fine drawing pipe, drill pipe special steel pipe, steel plate, galvanized products, stainless steel series, and production and processing. Under the support and care of friends and Allies from all walks of life, after years of development, the company's performance continues to expand, the annual sales has exceeded 150 million.

At present, it has become a special agent dealer of well-known domestic steel enterprises. Under the situation of fierce market competition, the company has the courage to open up and innovation. At present, the company provides steel projects all over the world.
 

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