Kelly Drill Pipe
kelly drill pipe,Benefits:April Special: unlimited US $10 coupons,: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.
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.
Boundles
1.High quality products.
2.Fast delivery.
3.OEM services.
4.Perfect after-sale services.
Goldenman Petroleum Equipment Co.,Limited had explored the international market and enlarged international cooperation 10 years .Due to the competitive price ,good quality and excellent service ,our products are sold to America,Canada,Brazil,Columbia, Venezuela,India,Iran,UAE,Russia ,Kazakhastan,Italy,Hungary ,Australia,Syria,Egypt ,etc .and get good reputation from our overseaclients .
1.How to get free samples?
Send your address,your telephone number,post code,and express account number to our mail box,and told us which samples you need and samples specification.
2.Can you produce products with my own brand?
Yes,we can offer OEM services.
3.Do you have any international certificate?
Yes,we have API, ISO and etc.
4.How long does my order take to be delivered?
It usually takes 5 to 30 days,which generally depends on the quantity of your order and our storage.
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