Product Description
Basic material: Steel alloy 40Cr ( HRA 56-62);
API SPEC 11B specification manufacture;
Inside diameter: 30.61mm(error bound: 0~+0.25mm);
Outside diameter: 46.3mm(error bound: -0.25~+0.13mm).
Casted alloy layer process on the surface has the function of wear-proof, corrosion-resisting and reducing the friction, protect both the coupling and the rods
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Company Profile
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Business Type: |
Yantai Yunsheng Petroleum Machine Accessories Co., Ltd, founded in 1997, is a professional manufacturer producing API approved sucker rod couplings, includin Spray Metal sucker rod coupling, calss T sucker rod coupling, Sub OD sucker rod coupling, Fu... |
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Address: |
Shengshuizhuang Village,Binhai Office,Laishan District,Yantai City,264003,China |
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City: |
Yantai |
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Zip/Postal: |
264003 |
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Country: |
Other |
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