Product Description
Our sucker rod couplings are up to API Spec 11B standard, including class SM coupling, class T coupling, Sub coupling, Full Size coupling, Slim Hole coupling, are availbale in size of 5/8”, 3/4”, 7/8”, 1” and 1 1/8”
With over15000pcs monthly capacity.Manufactured with high quality Carbon steel AISI 5I40 /4135 . Our surface alloy thermal spray coating process of our Spray Metal Coupling has reached the international advanced level.
API Coupling, class SM
1Material: AISI 5140 (40Cr),
2Standard: API Spec 11B
3Coat Thickeness: 0.01-0.02 in
4coupling diameter: 5/8 ", 3/4", 7/8", 1", 1-1/8"
5Basic Hardness: HRC 16-23
6Metal coating hardness: 595 HV0.2
OUR NEW SPECIAL PRODUCTS
Both-way Globoidal Protection Sucker Rod Coupling
Full Size Sprey Metal Coupling with Big Chamfer
We're the special manufacturer, and the cost is much lower than some Inter-trade enterprise , but we can supply more excellent quality, to build a long-term business relationship with you.
Company Profile
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Business Type: |
We'r professional manufacturer of API Sucker Rod Coupling in China.Our sucker rod couplings
includ class SM coupling, class T coupling, Sub coupling, Full Size coupling, Slim Hole coupling
API Coupling, class SM
1Material: AISI 5140 (40Cr)¿AI... |
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Comapany: |
Yantai yunsheng petroleum machine co.ltd |
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Address: |
Dongxing Road Shengquan Industrial Park |
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City: |
Yanti |
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Zip/Postal: |
264000 |
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State: |
Shandong province |
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Country: |
China |
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