API Class SM sucker rod couplings

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API Class SM sucker rod couplings
Posting date : Jul 26, 2010
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Free Member Scince May 16, 2009
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MACHINERY & ELECTRICAL | Nuclear re
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84-
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Detailed 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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