Audited Supplier
Marine Propeller Shaft Ship Shafting
Chongqing New Maritime Import andExport Co., Ltd is a professional manufacturer of medium and large forgings based in mainland China. We mainly focus on the manufacturing of big size special steel forging which are widely used in great equipment manufacturing industry of oil, electricity, chemical, shipping, metallurgy, machinery, and military. 
Detailed Description
1. Product name:Forged boat/ship propeller shaft
2. Raw material: Carbon steel, Mn-C steel, low alloy steel, stainless steel etc.
3. Supply range:OD.150-800mm,Length ≤ 9m Weight≤20T
Manufacturing technique
1. Process: EBT+LF/VD (ESR) + Forged + Heat Treatment (Solution treatment)
2. Delivery condition: Hot forged +Rough machined +Turned+fined machined
3. Inspection Equipments: Metallurgical analysis, Tensile strength tester, Hardness tester, Altimeter, Scale Micrometer, pressure tester, etc.
The marine forged propeller shaft or ship tail shaft can be appliable to any kind of vessels. It can use with kinds of propellers, like fixed pitch propeller, controllable propeller. And it also can be designed to different types according to the requirement of different vessels. Different certificates are also available, such as CCS, ABS, DNV, BV, NK, LR, GL, KR, etc.
Material: Forged steel, SUS 316, SUS 304
Diameter: ø107mm to ø2000mm (Customized)
Length: 1500mm to 11000mm (Customized)
Processing methods: forged and lathe machining
Intermediate shaft:
propeller shaft :
Material List for stainless steel
SUS 304
| Chemical Component (%) | ||||||
| C | Si | Mn | P | S | Cr | Ni |
| ≤0.07 | ≤1.00 | ≤2.00 | ≤0.35 | ≤0.30 | 17.00-19.00 | 8.00-11.00 |
| Mechanical Properties | |||||
| Tensile Test | Hardness Test | ||||
| o b (MPa) | o s (MPa) | o 5(%) | HB | HRB | HV |
| ≥520 | ≥205 | ≥40 | ≤187 | ≤90 | ≤200 |
SUS 316
| Chemical Component (%) | ||||||||||
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N | Other |
| ≤0.07 | ≤1.00 | ≤2.00 | ≤0.35 | ≤0.30 | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 | / | / | / |
| Mechanical Properties | |||||
| Tensile Test | Hardness Test | ||||
| o b (MPa) | o 0.2 (MPa) | o 5(%) | HB | HRB | HV |
| ≥520 | ≥205 | ≥40 | ≤187 | ≤90 | ≤200 |
Our advantages
1. Advanced production equipment and experienced manufacturing teams
2. Completed in-house test equipment and strict quality control system
3. Reliable product quality and competitive price
4. Complete customer service and perfect after-sale service
