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China factory - Henan Guojiang Precision Head Co., Ltd

Henan Guojiang Precision Head Co., Ltd

  • China,Xinxiang ,Henan
  • Verified Supplier

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China Polished Stainless Steel Torispherical Dished Head RA 0.3μM For LNG Cryogenic
China Polished Stainless Steel Torispherical Dished Head RA 0.3μM For LNG Cryogenic

  1. China Polished Stainless Steel Torispherical Dished Head RA 0.3μM For LNG Cryogenic

Polished Stainless Steel Torispherical Dished Head RA 0.3μM For LNG Cryogenic

  1. MOQ: 1
  2. Price: $25-10000
  3. Get Latest Price
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
Brand Name GJ
Model Number EHA 1200X3
Certification ASME, PED, GB, ISO
Place of Origin Henan, China

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  1. Product Details
  2. Company Details

Product Specification

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
Brand Name GJ Model Number EHA 1200X3
Certification ASME, PED, GB, ISO Place of Origin Henan, China
High Light Polished Torispherical Dished HeadStainless Steel Torispherical Dished HeadTorispherical Dish Head 0.3μM
SUS304 POLISHED STAINLESS STEEL TORISPHERICAL DISHED HEAD (1200×3), COLD-FORMED FOR LNG CRYOGENIC TANKS
Product Overview

Polished Stainless Steel Dished Head EHA1200X3 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 a 1200mm inner diameter for optimal compatibility with standard tank/reactor specifications
  • 3mm 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

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Seller,Exporter

  • Year Established:

    2013

  • Total Annual:

    20,000,000-USD 40,000,000

  • Employee Number:

    >100

  • Ecer Certification:

    Verified Supplier

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Get in touch with us

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  • Henan Guojiang Precision Head Co., Ltd
  • Yangguang Road, Industrial Park, Qiliying Town, Xinxiang County, Xinxiang City, Henan Province, People’s Republic of China
  • https://www.ellipsoidalhead.com/

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