1. API SPEC 11B 2. BASIC MATERIAL: AISI 5140 COAT LAYER: NI60A 3.USED TO CONNECT THE SUCKER ROD FOR OIL EXTRACTION

Yantai Yunsheng Petroleun Machine Accessories Co., Ltd. has been specialized in manufacturing sucker rod couplings for over ten years.

We obtained the API SPEC 11B certificate on June 1, 2009. Since then, we have exported our couplings to America, Peru, Argentina, Kuwait, India, Indonesia and so on. Moreover, we also have established long-term relationship with our customers home and abroad.

 

API 1” Class SM Slim Hole Sucker Rod Coupling

  1) Material: AISI 5140

  2) Standard: API Spec 11B

  3) Main specification:

        OD: 2" (50.80mm)

        ID: 1-3/8"(34.93mm)

        Length: 4" (101.6mm)

        Weight: 0.58kg

  4)Other Size: 5/8”; 3/4”; 7/8”; 1-1/8"

  5)Smoothness: 3.1*10-3

  6)Coat Thickness(in): 0.01in ~ 0.02in

  7)Basic hardness: HRC 16-23

  8)Surface Hardness: HRC 55-62

  9)Bonding Strength(Mpa): 484

 10)Hole rate: <2%

 11)Min. Hardness of the layer: 595HV0.2

 12)Min. Tensile Strength: 655 Mpa

 13)Operating Temperature: -1000~400 Centigrade Temperature

 14)Life: > 180 days

  15) Package: wooden case, 1000pcs each case.

  16) Usage: oil exploration equipment, accessories, oil sucker rod coupling.

Products Photo

For more information, please contact  me at any time.

API 1" sucker rod couplings, class SM