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Product Description
It is used to connect the major engine and stern shaft 
Cr, Mo, Ni, Cu are considered as residuals elements unless limit content shown on above table. 
3. Shaft shall be normalizing and tempered (the tempering temperature should be not less than 550℃) after rough machining in order to eliminate inner stress. and Non destructive test should be done according to requirement.
4. The surface of shaft shall be no scar, nick, sharp angle, burr; and the rounded corner should be smooth.
Products Show
TEST
Test report
Check the contact area between stern shaft and coupling by color oil
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