API 5 1/2" Stc/LC/ Bc Thread Casing Coupling

• After-sales Service: Yes
• Warranty: 1 Year
• Manufacturing Process: CNC Milling
• Surface Treatment: Galvanized
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: 5 1/2"
• Transport Package: Wooden Case
• Specification: 2-3/8′′, 2-7/8′′, 3-1/2′′, 4′′, 4-1/2′′
• Trademark: ZX
• Origin: China

Product Description

Product Description

  The Casing  Coupling conforms to API Specification 5ct and other related standards,Having been anthorized to use the API monogram.

All sizes of BTC,LTC,STC Casing Coupling are available in grade J,N,L, which all of them conform to API latest specification.

As there are a lot of different details for the same kind product,our company can customize product according to the client's requirments.

Product Parameters

Casing coupling specifications	OD mm	Min length mm		Weight kg
		short-thread	long-thread	short-thread	long-thread
4 1/2	127	158.75	177.8	3.62	4.15
5	141.3	165.1	196.85	4.66	5.75
5 1/2	153.67	171.45	203.2	5.23	6.42

 

Performance of Internal Epoxy Coating

	Inspection Item		Standard	Inspection Method
1	Appearance		Smooth, Uniform color, no bubble, no cracking or contraction cavity, little range peel allowed	Visual
2	Thermal Performance |ΔT g|(ºC )		≤ 5	Appendix B
3	cathodic disbanding resistance		≤ 6.5	Appendix C
	24h or 48h (mm)
4	Bonding surface porosity		1~4	Appendix D
5	The section void ratio		1~3	Appendix D
6	resistance to deflection 3°		No cracking	Appendix E
7	Impact Energy (8J)		No pin hole	Appendix F
8	Adhesive force	dissection method	1~2	Appendix G
		pull off adhesion (MPa)	≥ 20	GB/T 5210
9	Electric strength (MV/m)		≥ 30	GB/T 1408.1
10	Volume resistivity(Ω·m )		≥ 1×1013	GB/T 1410
11	Salt fog resistance (1000h)		No change of anti-corrosion coating	GB/T 1771

 

 

Packaging & Shipping

 

 

Company Profile

Dongying Zhaoxin Industry and Trade Co.,Ltd is an ISO-9001, ISO-14001, ISO45001 certified company and has all the quality systems in place for design, planning,manufacturing and quality monitoring & traceability to ensure that Dongying Zhaoxin Industry and Trade Co.,Ltd products match the highest quality & reliability Standards similar to any International major in this field.

Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad .