Product Description
API Class SM coupling
1)Type: SM FS and SH coupling
2)Coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"
3)Weight: 0.41-1.29 KG/Pcs
4)Material: AISI 5I40
5)Spray Material:Ni60A Alloy Coating
6)SM Thickness:0.01-0.02in
7) Basic Hardness: HRC 16-23
8)Surface Hardness: HRC 55-62
9)Hole rate: <2%
10)Min. Hardness of the layer: 595HV0.2
11) Operating Temperature: -1000~400?
12) Life: > 180 days
13)Standard: API Spec 11B
14)Package: wooden case
15)Payment Terms: T/T
Our New Products
1) SM Coupling with great bevel edge
2) Two-way Cambered Protection Coupling
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Company Profile
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Business Type: |
Yantai Yunsheng Petroleum Machine Accessories, Co., Ltd , funded in 1997, presently is one of biggest enterprises producing double protection sucker rod couplings inside China. We now have more than 10 production lines then we can supply 20000 pcs SM... |
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Address: |
Dongxing Road, Shengquan Industrial Park, Laishan District |
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City: |
Yantai city |
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Zip/Postal: |
264003 |
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Country: |
China |
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