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Propeller Stern Shaft
The stern shaft materials have passed EN10204-3.1 certification, covering various grades of: low carbon steel, alloy steel, stainless steel, ductile iron, aluminum alloy, copper alloy, titanium alloy. The main processes are: free forging, die forging, rol
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Boat Stern Shaft
Specification:
1.Material:H13,4130,4140,4150,4340,1035,1045,EN9,EN19,EN24,EN31,51200,SUJ2,100Cr6,K310,34CrNiMo6,36CrNiMo4,42CrMo4,86CrMoV7, C35E, C40E, C45E, etc.
2.Hardness: HB240-320
3.Ultrasonic Test: Sep 1921-84 - Test Group 3 Class D or ASTM A388 - FBH max 4mm
4.Forging reduction ratio: ≥4
5.Manufacturing process: steel ingot→forging→rough machining→QT→2th rough machining→finishing machining→packing→delivery
6.Quality required: Surface defect and decarburization shall be free. All dimensions are 100% OK.
7.Packing: wooden box or metal pallet for protection against rust and damage.
8.Quality Management Certification: ISO 9001:2008.
|
Product Name |
Specification |
Main Materials |
|
marine propeller shaft |
Dia.80~ Dia.500mm Length≤16000mm |
H13,4130,4140,4150,4340, EN9,EN19,EN24,EN31,etc |
the marine propeller shaft can be strictly examined by chemical composition, tensile strength, yield strength, reduction of area, impact at low temperature, intergranular corrosion, hardness, metallographic, NDT, size, static balance etc performance parameter.
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