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

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

• 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

• 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)

• UT (Ultrasonic Testing)
• RT (Radiographic Testing)
• MT (Magnetic Particle Testing)
• PT (Liquid Penetrant Testing)
• TOFD (Time of Flight Diffraction)

• ISO 9001:2015
• ASME "U" Stamp
• PED Module H Certificate

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.

• Wooden Cases (waterproof, shockproof)
• Wooden Pallets (stackable, ≥1000kg capacity)
• Steel Pallets (for heavy heads ≥500kg)
• Custom packaging solutions available