250 Ton 25cr2ni4mov Alloy Steel Forging Shaft Steam Turbine Rotor Jb/t 5000.15-1998
Packaging: | Fumigation-free wood package or steel package |
Product Description
250 ton 25Cr2Ni4MoV Alloy Steel Forging Shaft Steam Turbine Rotor JB/T 5000.15-1998
Specifications:
Description |
Forged steel shaft-steam turbine rotor forging |
material |
Alloy steel (30Cr1Mo1V, 25Cr2Ni4MoV, 30Cr2Ni4MoV, 34CrNi3Mo) |
Material standard |
ASTM or GB/T3077-1999 |
Specification |
Min. 8000KW Max. 1000MW |
Weight |
Max. 250 ton |
Smelting Process: |
EF+LF + VD+VC |
Process |
Ingot→heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining →UT →2nd Heat treatment →finishing machining →Inspection |
UT standard |
JB/T 1267-2002 or JB/T 5000.15-1998 I Level |
Description:
Forged steel shaft-steam turbine rotor forging is widely used for large or middle scale thermal power equipment enterprise. For example: Ha’erbin power group, Ha’erbin Steam turbine, Eastern Steam Turbine company and so on. The manufacturing equipment is 80~185MN hydraulic press, the forging ratio >4.5, the technical condition is in accordance with the standard of JB/T 1267-2002.
The product can be provided as per your drawing or specified requirements.
Smelting Process:EF+LF + VD+VC
The process as follow :Ingot →heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2th Heat treatment →finishing machining →Inspection
Applications: Forged steel shaft-steam turbine rotor forging is widely used for large or middle scale thermal power equipment enterprise.
Competitive Advantage:
Quality control and management to the whole produce process from ingot smelting to forging, heat treatment, machining and strictly final inspection prior to delivery.
Excellent product quality and service, competitive price, “in-time” delivery
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