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RA 0.3μm Precision Polished Dished Head with 1100mm Diameter in S30408 Stainless Steel
RA 0.3μm Precision Polished Dished Head with 1100mm Diameter in S30408 Stainless Steel
Specifications
Brand Name :
GJ
Model Number :
EHA 1100x4
Certification :
ASME, PED, GB, ISO
Place of Origin :
Henan, China
MOQ :
1
Price :
$25-10000
Payment Terms :
T/T,L/C
Supply Ability :
50,000 pieces per month
Delivery Time :
10-30 days
Packaging Details :
Wooden cases, wooden pallets, steel pallets, or customized according to customer requirements
Material :
Aluminum, 304, 316, 321, 2205, Q235, A36, Q245R, Q345R, SA-516Gr.60/65/70, 16MnDR, S275JR etc..
Diameter :
76mm - 10000mm
Thickness :
1mm -300mm
Customization :
Customise products according to the drawings and the requirements
Downstream Aplications :
industrial Dewar flask heads,on-board gas cylinder heads,quick-cooling storage tank heads,on-board storage tank heads,heads for food and medical equipment, ,water purification filter pipeline end cap，and heads for magnetic resonance equipment.
Roughness :
RA 0.1-0.8μm
Description
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
  • Carbon Steel (Q345R, Q235B, SA516 Gr.60/70)
  • Stainless Steel (SUS304, SUS316L, SUS321)
  • Duplex/Super Duplex (S31803, S32750)
  • Aluminium (6061, 5052)
  • Nickel & Nickel Alloys (Inconel 600, Hastelloy C276)
  • Copper & Copper Alloys (T2, H62)
  • Titanium & Its Alloys (Gr.2, Gr.5)
  • Zirconium & Cladded Materials
Key Features
  • Precision-engineered with 1100mm inner diameter for optimal compatibility with standard tank/reactor specifications
  • 6mm 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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RA 0.3μm Precision Polished Dished Head with 1100mm Diameter in S30408 Stainless Steel

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Product Detail
Brand Name :
GJ
Model Number :
EHA 1100x4
Certification :
ASME, PED, GB, ISO
Place of Origin :
Henan, China
MOQ :
1
Price :
$25-10000
Contact Supplier
RA 0.3μm Precision Polished Dished Head with 1100mm Diameter in S30408 Stainless Steel

Henan Guojiang Precision Head Co., Ltd

Verified Supplier
1 Years
henan, xinxiang
Since 2013
Business Type :
Manufacturer, Seller, Exporter
Main Products :
Ellipsoidal Head, Conical Head, Elliptical Head
Total Annual :
20,000,000-USD 40,000,000
Employee Number :
>100
Certification Level :
Verified Supplier
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