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We provide LTC BTC STC casing coulings from 4-1/2″ to 20″, in grade J55, K55, N80, L80 and P110.
1. Size: 4-1/2″~ 20″
2. Standard: API 5CT/5B
3. Type: LTC BTC STC
4.Grade:J55/K55/N80/L80/P110
5. Packaging: wooden pallet, tight wrapped /W paper carton
All our products are produced and processed according to , with the materials of steel grade including J55, K55, N80, N80-1, N80-Q, L80, P110 and so on. The couplings have three types, namely STC LTC and BTC. By numerically controlled lathe and import molding cutter, the processing of thread can be finished in one time, which ensures its commonality and interchangeability. We have complete testing abilities, adopting a whole set of single testing apparatus of thread, including tape, pitch, tooth depth, profile and so on. Our products have already passed the identification of the Quality Testing and Inspection Centre of Oil Pipe of CNPC (China National Petroleum Corporation).
API Casing CouplingsShort Thread | Coupling Size (inches) | Min Length (inches) | Weight per Coupling (lbs) | Palletized Carton Quantity | Palletized Carton Weight |
4 1/2 | 6.25 | 7.98 | 408 | 3255 | |
5 | 6.5 | 10.27 | 300 | 3164 | |
5 1/2 | 6.75 | 11.53 | 276 | 3182 | |
6 5/8 | 7.25 | 20.1 | 154 | 3095 | |
7 | 7.25 | 18.5 | 170 | 3145 | |
7 5/8 | 7.5 | 27.12 | 120 | 3254 | |
8 5/8 | 7.75 | 35.78 | 108 | 3578 | |
9 5/8 | 7.75 | 39.75 | 80 | 3180 | |
10 3/4 | 8 | 45.81 | 72 | 3298 | |
11 3/4 | 8 | 49.91 | 60 | 2994 | |
13 3/8 | 8 | 56.56 | 54 | 3054 | |
16 | 9 | 76.96 | – | – | |
20 | 9 | 95.72 | – | – |
API Casing Couplings Long Thread | Coupling Size (inches) | Min Length (inches) | Weight per Coupling (lbs) | Palletized Carton Quantity | Palletized Carton Weight |
4 1/2 | 7 | 9.15 | 408 | 3733 | |
5 | 7.75 | 12.68 | 300 | 3804 | |
5 1/2 | 8 | 14.15 | 276 | 3905 | |
6 5/8 | 8.75 | 25 | 154 | 3850 | |
7 | 9 | 23.88 | 160 | 3820 | |
7 5/8 | 9.25 | 34.46 | 110 | 3790 | |
8 5/8 | 10 | 47.77 | 80 | 3822 | |
9 5/8 | 10.5 | 56.11 | 68 | 3815 | |
9 5/8 | 10.5 | 56.11 | 68 | 3815 |
API Casing Couplings Buttress Thread | Coupling Size (inches) | Min Length (inches) | Weight per Coupling (lbs) | Palletized Carton Quantity | Palletized Carton Weight |
4 1/2 | 8.875 | 10.03 | 380 | 3811 | |
5 | 9.125 | 12.9 | 290 | 3741 | |
5 1/2 | 9.25 | 14.02 | 276 | 3869 | |
6 5/8 | 9.625 | 24.27 | 156 | 3786 | |
7 | 10 | 23.15 | 164 | 3797 | |
7 5/8 | 10.375 | 34.88 | 108 | 3767 | |
8 5/8 | 10.625 | 45.99 | 85 | 3909 | |
9 5/8 | 10.625 | 51.06 | 74 | 3778 | |
10 3/4 | 10.625 | 56.75 | 65 | 3688 | |
11 3/4 | 10.625 | 61.79 | 60 | 3707 | |
13 3/8 | 10.625 | 70.04 | 54 | 3782 |
Dongying Kangya Petroleum Equipment Co.,Ltd.is a professional manufacturer and supplier of all types of petroleum equipment.The company is located in Dongying, the beautiful petroleum city at Yellow River Delta, covers an area of more than 330 million square meters.
And we have many years of history in the petroleum equipment industry.Our main products include drilling equipment,oil production equipment,wellhead equipment,well control equipment,downhole tools,OCTG pipe,\tvavle & pipe fitting and oilfield tools.
Currently,our products is already exported to America, Middle East, Australia,Africa and 20 other countries and regions.
Our company has always focused on research, development and innovation.Kangyapetro will initiate the second phase of our development strategy.Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.
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