Description
Product Description
The nuclear electricity head plate forging is a critical structural aspect placed at the pinnacle of the Reactor Pressure Vessel (RPV). It performs a indispensable function in making sure the operational protection of nuclear reactors by:
Sealing the reactor vessel to comprise high-pressure coolant (typically 15–16 MPa)
Isolating radioactive material
Withstanding long-term high-temperature prerequisites (300–350°C)
Due to its safety-critical nature, the fine of the forging technique at once impacts the integrity, longevity, and security of the nuclear reactor. The layout carrier existence of this aspect exceeds 60 years, assembly the stringent necessities of each home and global nuclear regulatory standards.
Key Features
Forged in accordance with nuclear-grade satisfactory standards
High resistance to thermal fatigue, corrosion, and radiation embrittlement
Long carrier lifestyles below intense working strain and temperature
Fully traceable fabric and manufacturing certification
Ultrasonic trying out (UT), radiographic checking out (RT), and mechanical property critiques handy on request
Applications
Pressurized Water Reactor (PWR)
Boiling Water Reactor (BWR)
Other advanced nuclear strength systems
Technical Specifications
| Parameter | Specification |
| Product Name | Nuclear Power Head Plate Forging |
| Application | Reactor Pressure Vessel (Top Head Closure) |
| Material Standards | ASTM SA-508 Gr.3 Cl.1 / 16MND5 / Equivalent nuclear-grade |
| Forging Type | Open Die Forging / Custom Closed Die |
| Diameter | Φ4000 mm – Φ8000 mm |
| Thickness | 200 mm – 500 mm |
| Weight | Up to 100 tons (customizable) |
| Operating Pressure | 15 – 16 MPa |
| Operating Temperature | 300°C – 350°C |
| Service Life | ≥ 60 years |
| Testing & Inspection | UT (per ASME Sec. III), RT, MPI, mechanical & chemical tests |
| Standards Compliance | ASME, RCC-M, EN, GB standards (as per client request) |
| Surface Finish | Rough Machined / Finish Machined |
| Heat Treatment | Normalizing + Tempering / Quenching + Tempering |
| Delivery Condition | Forged + Heat Treated + UT Tested + Certified |
Material Options
SA-508 Gr.3 Cl.1 (ASTM Standard – Widely used in U.S. nuclear applications)
16MND5 (European Standard – Common in French and EU-built reactors)
Other substances handy primarily based on purchaser and venture requirements
Quality Assurance & Documentation
Full Material Traceability
Third-Party Inspection Reports
Mechanical Testing Certificates
Non-Destructive Testing (NDT) Reports
Heat Treatment Charts
Compliance with ASME, RCC-M, and GB150 general
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