60MW 25Cr2Ni4MoV Heavy Steel Forgings Heat Treatment Rotor Forging
60MW 25Cr2Ni4MoV Heavy Steel Forgings Heat Treatment Rotor Forging
Products:
generator rotor forging, such as steam tubine rotor, high speed rotor,intermediate speed rotor, low speed rotor, high pressure rotor, low pressure rotor and medium pressure rotor
Products reference:
| Material | 25Cr2Ni4MoV,34CrNi3Mo,30Cr2Ni2Mo |
|
Max. power |
60MW |
|
Apply for |
Electromechanical rotating part is made up of electric rotor winding, magnetic conductive ferrite core, rotor spindle shaft extension/retaining ring/center ring and fan. |
|
Melting process |
LF+EF+VD |
|
Process technology |
Forging+heat treatment+rough machining+finish machining |
|
Forging ratio |
≥3.5 |
|
Applicable standard |
ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
|
Executive standard |
JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
|
Certification authority |
ISO9001:2008,BV,SGS,IST,UL.CTI |
|
Delivery terms |
Rough machining(N+T); finish machining(Q+T) |
|
Test equipment |
Spectrograph, UT device, tensile and compact test machine, metalloscope,external micrometer, bore dial indicator, hardness testing device and so on. |
|
Service |
Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
Custom properties
|
Material elements |
C | Si | Mn | P | S | Cr | Ni | Mo | V |
| 25Cr2Ni4MoV | ≤0.25 | ≤0.23 | ≤0.53 | ≤0.006 | ≤0.004 | ≥1.62 | ≥3.75 | ≥0.33 | ≥0.09 |
| 30Cr2Ni2Mo | 0.26-0.34 | 0.17-0.37 | 0.30-0.60 | ≤0.006 | ≤0.0005 | 1.80-2.20 | 1.80-2.20 | 0.30-0.35 | - |
|
Mechainal properties |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 30Cr2Ni2Mo | Ø10 | ≥980 | ≥835 | ≥12 | ≥55 | V | ≥78 | ≤269HBS |
Process procedure:
Forging process flow quality control: Raw material steel ingot into warehouse(test the chemical content)Heating(Furnace temperture test) Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)Machining Inspection(UT,MT,Visal diamention, hardness)QT Inspection(UT, mechanical properties, hardness, grain size)Finish machining Inspection (dimension)Packing and Marking(steel stamp, mark)Storage Shipment
Commerce clause
|
Max. weight |
60T |
|
MOQ |
1PC |
|
Delivery time |
30-35 days |
|
Package |
Wood pallet, steel frame support |
|
Delivery terms |
FOB;CIF;CFR；DDU； |
|
Payment terms |
T/T,LC |
|
Type of shipping |
By ocean, air |
Keywords
Various of steam turbine rotor, generator rotor, 35MW/50MW/60MW/70MW steam turbine rotor; 25X1M11%cA(P2MA) steam turbine rotor. Sampling in radial direction after QT will have a good mechanical properties.
Advantage
- High-precision dimensional tolerance;
- Excellent mechanical properties;
- Produce different dimension based on customer’s requirements;
- Advanced manufacture equipments and inspection devices;
- Excellent technical personality;
- Control the production procedure strictly;
- Pay attention on the package protection;
- Quality full service.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.