RA 0.3μm Precision Polished Dished Head with 1100mm Diameter in S30408 Stainless Steel
Price:
$25-10000
MOQ:
1
Delivery Time:
10-30 days
Brand:
GJ
Product Description
RA 0.3μM Precision Polishing Dish Head 1100mm Diameter S30408 Stainless Steel Dished Head
Polished Stainless Steel Dished Head S30408 Roughness RA 0.3 Μm Diameter 1100mm Thickness 4mm
Product Overview
Polished Stainless Steel Dished Head EHA1100X4 SUS304 - RA 0.3μm Precision Polishing, engineered for high-demand applications in industries requiring superior surface finish and material integrity.
Technical Specifications
| Brand Name | GuoJiang |
|---|---|
| Diameter Range | 76mm - 10000mm |
| Thickness Range | 2mm - 300mm |
| Reduction Ratio | About 10% |
| Material Options |
|
Key Features
- Precision-engineered with 1100mm inner diameter for optimal compatibility with standard tank/reactor specifications
- 4mm nominal wall thickness calibrated for pressure requirements, balancing strength and weight
- Food-grade S30408 stainless steel construction with chromium-nickel alloy composition
- RA 0.3μm mirror-level polishing on both inner and outer surfaces
- Superior corrosion resistance against acids, alkalis, and moisture
- Minimal medium residue for easy cleaning and maintenance
- Reduced fluid resistance for improved equipment efficiency
Manufacturing Processes
Forming Methods
- Hot Forming: For thick materials (≥20mm) or high-strength alloys with controlled heating temperatures
- Cold Forming: For thin materials (≤20mm) and stainless steel, preserving surface finish
Surface Treatment
- Sand Blasting (Ra 1.6μm - 3.2μm)
- Pickling for passivation film formation
- Oil Coating (food-grade optional)
- Mechanical/Chemical Descaling
- Custom surface finishes available (including mirror polishing Ra≤0.8μm)
Quality Assurance
Inspection Standards
- UT (Ultrasonic Testing)
- RT (Radiographic Testing)
- MT (Magnetic Particle Testing)
- PT (Liquid Penetrant Testing)
- TOFD (Time of Flight Diffraction)
Certifications
- ISO 9001:2015
- ASME "U" Stamp
- PED Module H Certificate
Applications
Ideal for cryogenic gas cylinders, pressure vessels, nuclear magnetic resonance (NMR), food and pharmaceutical processing, and new energy applications. Market leader in cryogenic dewar heads with over 70% market share in China.
Packaging Options
- Wooden Cases (waterproof, shockproof)
- Wooden Pallets (stackable, ≥1000kg capacity)
- 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