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{"title":"316 Stainless Steel Flat Bottom Dish with 450mm Diameter and 3.5mm Thick for","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/b5\/235b07eefb36079925f303ce5f65-200x200-1\/316_stainless_steel_flat_bottom_dish_with_450mm_diameter_and_3_5mm_thick_for_pressure_vessel_applications.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"FHB 450\u00d73.5","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"2:1 Stainless Steel Elliptical Dished Head with 600\u00d76 Dimensions and ISO 9001","imgUrl":"https:\/\/img.chinax.com\/nimg\/8a\/e5\/85323c12e8607e7c4ec234201404-200x200-1\/2_3a1_stainless_steel_elliptical_dished_head_with_600_c3_976_dimensions_and_iso_9001_3a2015_certification.jpg","attrs":{"Brand Name":"GJ","Model Number":"EHA 600x6","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness","imgUrl":"https:\/\/img.chinax.com\/nimg\/a8\/ed\/7bf82b032e071cd5a804f9e3909b-200x200-1\/2_3a1_s31603_ellipsoidal_head_650mm_open_inner_diameter_5mm_thickness.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 650\u00d75","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"One-Piece Torispherical Heads Suitable for Biopharmaceutical Equipment with","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/70\/5b12e394ed2f90971171c1eb9689-200x200-1\/one_piece_torispherical_heads_suitable_for_biopharmaceutical_equipment_with_internal_polishing_0_4_ce_bcm_and_external_polishing_0.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"THA 700X6","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"External Polished & Brushed Necked Elliptical Head With Bottom Opening For","imgUrl":"https:\/\/img.chinax.com\/nimg\/39\/9b\/71fdbc77235c7ee0fc31f11b11de-200x200-1\/external_polished_26_brushed_necked_elliptical_head_with_bottom_opening_for_cryogenic_storage_tank_equipment.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 1000\u00d75","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
{"title":"Standard 2:1 Elliptical Head with Inner Surface Polished (Ra \u2264 0.15\u03bcm), Inner","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/36\/9168161fc2a077862524b79ed92e-200x200-1\/standard_2_3a1_elliptical_head_with_inner_surface_polished_28ra_e2_89_a4_0_15_ce_bcm_29_2c_inner_diameter_800mm_for_biopharmaceuti.jpg","attrs":{"Brand Name":"Guojiang","Model Number":"EHA 800\u00d76","Certification":"ASME, PED, GB, ISO","Place of Origin":"Henan, China"}}
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.
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.
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.
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
