Sucker Rod Coupling Class T and Sm Full Size Slim Hole Types with API 11b Standard

• After-sales Service: Online Services
• Warranty: One Year
• Manufacturing Process: Forging
• Surface Treatment: Spray Welding
• Operation Pressure: Atmospheric Pressure
• Material: Cast Steel
• Model NO.: All sizes
• Sizes: 5/8" ~ 1-1/2"
• Material Type: AISI 4130 4140 4330
• Usage: Oil Production, Oil and Gas
• Capacity: 8000 Pieces Per Month
• Transport Package: Standard Export Package
• Specification: 16- 38mm
• Trademark: JX petro
• Origin: China
• HS Code: 84314310
• Production Capacity: 100000PCS/Months

Product Description

API 11B Sucker Rod Coupling Grade T, Grade M. Coupling for Sucker Rod

Product Description

Class T and Class SM coupling for sucker rods are manufactured as per API Specification 11B. For the thread cutting, we are using cold form rolled by displacing rather than by removing of material for making the coupling thread. The thread rolling cutting results in a compressive stress at the root of the thread, giving maximum strength to the traditional weak point of cut-thread couplings.

Class T coupling is using AISI 5140 to manufacture.The coupling is coated using phosphate chemical treatment or black oxide on customer's request.For Class SM coupling, the spray metal is a specification hardening process and is applied on the base metal.

The couplings are available in full size, slim hole and over size.Also, combination couplings are available for different diameters (sub-coupling) for both Class T and Class SM couplings.

We recommend changing sucker rod couplings after three make-ups, provided the connection threads have been inspected and deemed acceptable for reuse. 

Product Parameters

Dimension table : 

OD		Coupling OD	Length	Wrench length	Wrench width
mm	in	(inch- mm)	(inch- mm)	mm	mm
16	5/8	38.1(1.500)	101.6(4.000)	31.8	34.9
19	3/4	41.3(1.625)	101.6(4.000)	31.8	38.1
22	7/8	46.0(1.812)	101.6(4.000)	31.8	41.3
25	1	55.6(2.187)	101.6(4.000)	31.8	47.6
29	1 1/8	60.3(2.375)	114.3(4.500)	41.3	53.9

 
Chemical Composition of Common Sucker Rod Material 

Chemical Properties, %: Class T Coupling
Steel	AISI    5140
C	0.37~0.44
Si	0.17~0.37
Mn	0.50~0.80
P	≤0.040
S	≤0.040

 

Spray Metal Coating Chemical  Properties, %: Class SM Coupling
Carbon	0.50~1.00
Silicon	3.50~5.50
Phosphorus	0.00~0.02
Sulfur	0.00~0.02
Chromium	12.00~18.00
Boron	2.50~4.50
Iron	3.00~5.50
Cobalt	0.00~0.10
Titanium	0.00~0.05
Aluminum	0.00~0.05
Zirconium	0.00~0.05
Nickel	Balance

 

Detailed Photos

Company Profile

FAQ

1) How can I place an order?

A: You can contact us by email about your order details, or place an order online.

2) How can I pay you? 

A: After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are used. 

3) What's the order procedure?

A: First we discuss order details and production details by email or TM. Then we issue you a PI for your confirmation. You will be requested to do a prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you. 

4)How do you take care when your clients received defective products?

A: replacement. If there are some defective items, we usually credit them to our customer or replace them in the next shipment. 

5)How do you check all the goods in the production line?

A: We have spot inspection and finished product inspection. We check the goods when they go into the next step production procedure.