API Sucker Rod Coupling,Class SM

 
1.Standard: API Spec 11B

2.Basic Material: AISI 5140 (40Cr),

 
3.Coat Material:Ni60A Alloy Coating

4.Coat Thickeness: 0.01-0.02 in

5.Basic Hardness: HRC 16-23 (HRA 58-62)

6.Surface hardness: HRC 55-62

7.Metal coating hardness: 595 HV0.2

8.Type:Full size/Slim Hole

9.Coupling diameter: 5/8 ", 3/4", 7/8", 1", 1-1/8"

Moreover, manufactured with high quality alloy steel AISI 5I40 . Other specification are also available as per customer's request, and our surface alloy thermal spray coating process of our Spray Metal sucker rod coupling has reached the international advanced level.

So, if you have any interest on our sucker rod couplings, pls feel free to contact us for further information.We'll assure you of our best service all the time.

Yantai Yunsheng Petroleum Machine Accessories Co. Ltd., founded in 2005, is a professional manufacturer of API Spec 11B Sucker Rod Couplings, including Spray Metal coupling, class T coupling, Sub OD coupling, with various type of Full size, Slim Hole, Over Size, with Big Chamfer, with Wrench Flat, with Bidirectional Cambered Surface Protection, etc., and the thread size are available at 5/8", 3/4", 7/8", 1", 1-1/8".  Owning world top level equipments and technicians, the monthly production capacity is more than 20,000pcs.  All of our couplings are excellent in Quality and reasonable in Price, and the production & inspection are being done fully in accordance with API Spec11B standard.