42CrMo4 ASTM Heavy Steel Forgings Rudder Pole For Ship Rudder
Description:
Rudder tiller, rudder stock ,rudder spindle is widely used for large, middle and small ship industry
manufacturing.
Conforms to the standard of ASTM
Material smelting process:EF+LF+VD
The manufacturing equipment is 35MN hydraulic press
Forging reduction ratio ≥4: 1, UT standard is in accordance with standard of EN10228.3:1998 level 3.
Delivery lead time:30 days
Specifications:
|
Description |
Rudder tiller,rudder stock,rudder spindle |
|
material |
42CrMo4 |
|
Material standard |
ASTM, |
|
Dimension |
OD:700mm Length:10000mm Max. OD: 2000mm Max. Length: 18000mm |
|
Weight |
25tons |
|
Smelting Process: |
EF+LF + VD |
|
Process |
Ingot→heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2nd Heat treatment →finishing machining → Inspection |
|
UT standard |
As per the requirements provided by classification society |
