KR NK Forged shaft Marine Rudder stock For ship forging , alloy steel forging
Stern shaft, open die shaft forging, intermediate shaft, propeller shaft,rudder spindle,tail shaft, ship forging
Open die forging, open die shaft forging, rudder stock, intermediate shaft, propeller shaft,rudder spindle,tail shaft, ship &boat forging
Quick Detail:
1. Open die forging: Propeller shaft, stern shaft, open die shaft forging, rudder stock, intermediate shaft,
propeller shaft,rudder spindle,tail shaft, ship &boat forging
2. The factory is certified by ABS, DNV, BV, GL, LR, KR, NK and CCS etc.
3. The material can be alloy steel, carbon steel or as per customer’s requirements
Description:
Forged steel shaft-marine & boat shaft forging: propeller shaft, stern shaft, intermediate shaft/ tail shaft/ propeller
shaft/ is widely used for large, middle and small size cargo vessel etc.
The tail shaft is connected propeller shaft and gear box.
The manufacturing equipment is 25~80MN hydraulic press, the forging ratio >3, the technical condition is in
accordance with the requirements of ABS, DNV, BV, GL, LR, KR, NK and CCS.
Specifications:
|
Description |
Open die forging: propeller shaft, stern shaft, rudder stock, intermediate shaft, propeller shaft, rudder spindle,tail shaft, ship &boat forging |
|
material |
Carbon manganese steel (20Mn2, 60Mn, 25Mn, 45# etc.), alloy steel (42CrMo4 etc.) |
|
Material standard |
ASTM, EN or ISO etc. |
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Dimension |
Max. OD: 2000mm Max. Length: 18000mm |
|
Weight |
Max. 100 ton |
|
Smelting Process: |
EF+LF + VD |
|
Process |
Ingot→heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2nd Heat treatment →finishing machining →Inspection |
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UT standard |
As per the requirements provided by classification society |
Applications:
The tail shaft is connected propeller shaft and gear box, it is widely used for large, middle and small size cargo vessel etc.
The factory has been certified by ABS, DNV, BV, GL, LR, KR, NK and CCS.
