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”.
API SM sucker rod couplings is manufactured with a special technology.
Technical Parameters
.
API SM sucker rod couplings is manufactured with a special technology.
Technical Parameters
1) Material: 40Cr 45# 35CrMo
2) Standard: ISO
3) Mai
n specification:
Full Size:OD:41.28mm
ID: 26.99mm
Length: 1.625*4.0 in
Weight: 0.60kg
Slim Hole:
OD:38.1mm
ID: 26.99mm
Length: 1.5*5.0 in
Weight: 0.47kg
n specification:
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.
If you are interesting in our product please contact us.
If you are interesting in our product please contact us.
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