2500*8 SA-240M 316L Necked Elliptical Stainless Steel Head(EHA)
Product Overview
The EHB 1712*6 316L Necked Elliptical Stainless Steel Head is produced in accordance with SA-240M 316, with an inner diameter of 1712 mm and a thickness of 6 mm. Constructed from low-carbon molybdenum-containing 316L stainless steel, it offers exceptional chloride ion corrosion resistance. The necked structure ensures tight connections with vessel cylinders, meeting sealing and pressure requirements for medium-low pressure applications in demanding industries.
Technical Specifications
| Brand Name |
GuoJiang |
| Diameter Range |
80mm - 10000mm |
| Thickness Range |
2mm - 300mm |
| Reduction Ratio |
About 10% |
| Material Options |
- Carbon Steel (Q235B, Q345R, SA516 Gr.60/70)
- Stainless Steel (316L, 304, SUS304, SUS316L, SUS321)
- Duplex/Super Duplex (S31803, S32750)
- Nickel & Nickel Alloys (Inconel 600, Hastelloy C276)
- Copper & Copper Alloys (T2, H62)
- Titanium & Its Alloys (Gr.2, Gr.5)
- Zirconium & Cladded Materials
- Aluminium (6061, 5052)
|
Key Features
- Precision-engineered: 2500mm diameter optimised for standard tank/reactor specifications
- Optimal thickness: 8mm nominal wall thickness calibrated for pressure requirements
- Enhanced corrosion resistance: Molybdenum content provides superior protection against chloride ions, acids, and alkalis
- Cleanable design: Minimal medium residue for easy maintenance
- Efficient flow: Reduced fluid resistance improves equipment performance
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: PT/RT/UT/MT/TOFD
Certifications:
- ISO 9001:201
- ASME "U" Stamp
- PED Module H Certificate
Applications
- Petrochemical: Sulfur-containing medium storage tanks, offshore platform pressure vessels
- Marine Engineering: Seawater treatment equipment, offshore liquid storage tanks
- Food & Pharmaceutical: High-purity liquid medicine tanks, aseptic storage tanks
- New Energy: Hydrogen storage tanks, lithium battery electrolyte reaction equipment
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