3-1/2"Casing and Tubing Coupling with API Standard From China

• Customization: Available
• After-sales Service: Technical Support
• Warranty: 1 Year
• Model NO.: 3-1/2"
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Carbon Steel
• Name: Tubing and Casing Coupling
• Grade: J55, K55, N80-1, N80-Q, L80, C90, P110
• Size: 2-7/8
• Thread Type: Btc, Ltc, Stc, Eue, Nue Lp, Vam, Ttgm
• Type: Welded Steel Pipe
• Connection: Male Threads
• Usage: Joining Pipe Lines
• Customized Support: OEM, ODM, Obm
• Shape: Round
• Standard: API, API 5CT
• Keyword: Hot Rolled Galvanized Tubing
• Certification: API 5CT
• Transport Package: Wooden Box
• Specification: J55, K55, N80-1, N80-Q, L80, C90, P110
• Trademark: eastlong
• Origin: Henan, China
• HS Code: 7307920000
• Production Capacity: 50000 Piece/Year

Product Description

 Please note: because the price of raw materials has been floating recently, so we just marking a symbolic price on the web. If you are interested in  our products, please directly contact us by WhatsApp or Trademanager

                    3-1/2"Casing and Tubing Coupling with API Standard  From China

Product Description

     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).
 

Product Parameters

Descriptions and size		Type of Thread	O. D*L(mm)	Weight(kg)
Tubing Coupling	2-3/8"	NUE	73.02*107.95	1.28
	2-3/8"	EUE	77.80*123.82	1.55
	2-7/8"	NUE	88.90*130.18	2.34
	2-7/8"	EUE	93.17*130.35	2.4
	3-1/2"	NUE	107.95*142.88	3.17
	3-1/2"	EUE	114.30*146.05	4.1
	4"	NUE	120.65*146.05	4.35
	4"	EUE	127.00*152.40	4.82
	4-1/2"	NUE	132.08*155.58	4.89
	4-1/2"	EUE	141.30*158.75	6.05
Casing Coupling	4-1/2"	STC	127.00*158.75	5.23
	4-1/2"	LTC	127.00*177.80	4.15
	4-1/2"	BTC	127.00*225.42	4.55
	5"	STC	141.30*165.10	4.66
	5"	LTC	141.30*196.85	5.75
	5"	BTC	141.30*231.78	5.85
	5-1/2"	STC	153.67*172.45	5.23
	5-1/2"	LTC	153.67*203.20	6.42
	5-1/2"	STC	153.67*234.95	6.36
	6-5/8"	STC	187.71*184.15	9.12
	6-5/8"	LTC	187.71*222.25	11.34
	6-5/8"	STC	187.71*244.48	11.01
	7"	STC	194.46*187.15	8.39
	7"	LTC	194.46*228.60	10.83
	7"	STC	194.46*254.00	10.54
	7-5/8"	STC	215.90*190.50	12.3
	7-5/8"	LTC	215.90*234.95	15.63
	7-5/8"	STC	215.90*263.52	15.82
	8-5/8"	STC	244.48*196.85	16.23
	8-5/8"	LTC	244.48*254.00	21.67
	8-5/8"	STC	244.48*269.88	20.86
	9-5/8"	STC	269.88*196.85	18.63
	9-5/8"	LTC	269.88*266.70	25.45
	9-5/8"	STC	269.88*269.88	23.16
	10-3/4"	STC	298.45*203.20	20.78
	10-3/4"	STC	298.45*269.88	25.74
	11-3/4"	STC	323.85*203.20	22.64
	11-3/4"	BTC	323.85*269.88	28.03
	13-3/8"	STC	365.12*203.20	25.66
	13-3/8"	BTC	365.12*269.88	31.77

 

 

Detailed Photos

 

Certifications

FAQ

1.Are you a factory?
Yes,we have our own factory for manufacturing and we have the long history in this field as the China top brand.

2.Can you provide free sample?
Yes, we can provide samples in our stock for free, customer just need to bear the shipping fee.
3. Hhow about the quality guarantee ?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

4.what can you buy from us?
OCTG / Pumping Unit / Sucker Rod Pump / Wellhead and Christmas Tree / Casing and Coupling /Pup joint/Crossover/Centralizer

5. What is your advantages beyong other suppliers?
1).Complete categories & Reasonable price
2).Fast delivery & Quality guarantee
3).Supplier of  china famous oil field and lots of US oil field etc.
4).20+ years professional manufacture major on oil equipment

6. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Cash,Escrow;
Language Spoken:English,Chinese,Spanish