2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness
Price:
$25-10000
MOQ:
1
Delivery Time:
10-30 days
Brand:
Guojiang
Product Description
2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness
650mm diameter, 5mm thickness, cold-formed S31603 stainless steel dished head with RA 0.4 μm precision polishing, specifically engineered for LNG cryogenic tank applications.
Technical Specifications
| Brand Name | GuoJiang |
|---|---|
| Diameter Range | 70mm - 10000mm |
| Thickness Range | 2mm - 300mm |
| Reduction Ratio | About 10% |
| Material Options |
|
Key Features
Precision Dimensions: 650mm inner diameter with 5mm nominal wall thickness
Premium Material: S31603 stainless steel construction
Surface Finish: RA 0.4μm polishing on both surfaces
Performance: Superior corrosion resistance and reduced fluid resistance
Hygienic: Minimal medium residue for easy cleaning
Manufacturing Processes
Forming Methods:
- Hot Forming for thick materials (≥20mm) or high-strength alloys
- Cold Forming for thin materials (≤20mm) and stainless steel
Surface Treatment Options:
- Oil Coating (food-grade optional)
- Sand Blasting (Ra 1.6μm - 3.2μm)
- Pickling for passivation film formation
- Mechanical/Chemical Descaling
- Custom finishes, including mirror polishing (Ra≤0.8μm)
Quality Assurance
Inspection Standards:
- PT (Liquid Penetrant Testing)
- UT (Ultrasonic Testing)
- RT (Radiographic Testing)
- MT (Magnetic Particle Testing)
Certifications:
- ISO 9001:2015
- ASME "U" Stamp
- PED Module H Certificate
Applications
Ideal for cryogenic gas cylinders, pressure vessels, nuclear magnetic resonance (NMR), food/pharmaceutical processing, and new energy applications. Market leader in cryogenic dewar heads with over 70% market share in China.
Packaging Options
- Wooden Pallets (stackable, ≥1000kg capacity)
- Wooden Cases (waterproof, shockproof)
- Steel Pallets (for heavy heads ≥500kg)
- Custom packaging solutions available
Customized Services
- Full customisation of size, material, forming method, and surface treatment
- Technical support, including FEA simulation and 2D/3D drawing design
- Sample service available (5-10 pieces)
- Quick turnaround: 20 days for standard heads, 30 days for custom orders
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Henan Guojiang Precision Formed Head Co., Ltd.
Location
Yangguang Road, Industrial Park, Qiliying Town, Xinxiang County, Xinxiang City, Henan Province, People’s Republic of China
Contact Person
Jessie Liu