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| Categories | Polished Head |
|---|---|
| Brand Name: | GJ |
| Model Number: | EHA1500x6 |
| 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 |
| Company Info. |
| Henan Guojiang Precision Head Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Polished Stainless Steel Dished Head EHA1500X6 SUS304 – RA 0.4μm Precision Polishing, Tailored for High-Demand Applications
Product Description:
| Brand Name | GuoJiang |
| As a professional head manufacturer, Guojiang has 12+ years of experience in head R&D, production, and customization, with a global customer base covering 50+ countries. | |
| Diameter Range | 76mm – 10000mm |
| We support full-size coverage from small precision heads (for sanitary equipment) to large-diameter heads (for industrial pressure vessels). Our advanced CNC cutting machines ensure diameter tolerance ≤ ±1mm, meeting high-precision assembly requirements. | |
| Thickness Range | 2mm – 300mm |
| Thickness selection is tailored to your working pressure (0.1MPa – 100MPa) and medium properties (corrosive/non-corrosive). We use high-quality base materials with thickness uniformity ≤ 0.5mm, avoiding structural risks caused by uneven thickness. | |
| Reduction Ratio | About 10% |
| Our optimized forming process controls the reduction ratio at ~10% (adjustable for special materials), which balances material utilization, structural strength, and forming accuracy. | |
| Material Options | - Carbon Steel (Q235B, Q345R, SA516 Gr.60/70) |
| - Stainless Steel (SUS304, SUS316L, SUS321) | |
| - Duplex/Super Duplex (S31803, S32750) | |
| - Aluminum (6061, 5052) | |
| - Nickel & Nickel Alloys (Inconel 600, Hastelloy C276) | |
| - Copper & Copper Alloys (T2, H62) | |
| - Titanium & Its Alloys (Gr.2, Gr.5) | |
| - Zirconium & Cladded Materials | |
| All materials are sourced from certified suppliers (e.g., Baosteel, Posco) with complete material certificates (MTC) provided. | |
| Forming Methods | 1. Hot Forming |
| - Applicable for thick materials (≥20mm) or high-strength alloys; heating temperature controlled by material type (e.g., 900°C – 1100°C for carbon steel) | |
| - Post-forming heat treatment (stress relief annealing) to reduce internal stress | |
| 2. Cold Forming | |
| - Suitable for thin materials (≤20mm) and stainless steel; no thermal deformation, ensuring surface finish | |
| - Equipped with 10+ 1000-ton hydraulic presses for stable forming | |
| Surface Treatment | - Sand Blasting: Ra 1.6μm – 3.2μm, removes rust/scale, improves coating adhesion |
| - Pickling: Passivation film formation (for stainless steel), enhances corrosion resistance; meets food/pharmaceutical hygiene standards | |
| - Oil Coating: Anti-rust oil (food-grade optional) for storage/transportation | |
| - Descaling: Mechanical/chemical descaling, ensures clean surface before welding | |
| -Custom surface finish:e.g., mirror polishing Ra≤0.8μm available for hygiene-sensitive industries | |
| Inspection Standards | - UT (Ultrasonic Testing): Detects internal defects (cracks, inclusions) with 100% coverage for key parts |
| - RT (Radiographic Testing): Complies with ASME BPVC Sec.V, Level II standards for weld quality | |
| - MT (Magnetic Particle Testing): For ferrous materials, detects surface/near-surface defects | |
| - PT (Liquid Penetrant Testing): For non-ferrous materials, ensures no surface leakage | |
| - TOFD (Time of Flight Diffraction): High-precision internal defect detection (accuracy ±0.1mm) | |
| Applicable Standards | - ASME BPVC Sec.VIII Div.1/2 (for North American & global markets) |
| - PED 2014/68/EU (CE certification for European markets) | |
| - GB/T 25198-2010 (Chinese national standard) | |
| - JIS B8243, EN 13445 (customizable for regional standards) | |
| Certifications | - ISO 9001:2015 (Quality Management System) |
| - ASME "U" Stamp, PED Module H Certificate | |
| Applications | The products are widely used in industries such as cryogenic gas cylinders, pressure vessels, nuclear magnetic resonance (NMR), food and pharmaceuticals, and new energy industry. Among them, the market share of cryogenic dewar heads in China exceeds 70%, and the supporting products are sold well across all regions of China as well as overseas. |
| Packaging | - Wooden Cases: For small/precision heads (waterproof, shockproof; fumigated for export) |
| - Wooden Pallets: For bulk orders (stackable, load capacity ≥1000kg) | |
| - Steel Pallets: For heavy heads (≥500kg; reusable, corrosion-resistant) | |
| - Custom Packaging: As per customer requirements (e.g., vacuum packaging for stainless steel heads, seaworthy packaging for overseas shipping) | |
| All packaging is designed to prevent damage during transportation (tested for drop, vibration, and compression). | |
| Customized Services | - Full Customization: Size, material, forming method, surface treatment, and inspection standards tailored to your drawings/specifications |
| - Technical Support: Free FEA simulation (for pressure resistance) and 2D/3D drawing design | |
| - Sample Service: Small-batch samples (5-10 pieces) available for testing before mass production | |
| - Quick Turnaround: Standard heads (89mm-3500mm) manufactured in 20 days; customized heads delivered in 30 days | |
| After-Sales Service | - Feedback Response: Quick response to customer inquiries; problem resolution within 48 hours |
Product Features:
As the "safety core component" of pressure vessels, this product defines quality with precise parameters: 1500mm inner diameter matches mainstream tank/reactor specifications, and 6mm nominal wall thickness is calibrated for pressure, balancing strength and lightweight design. Crafted from food-grade SUS304 stainless steel, its chromium-nickel alloy formula forms a dense oxide film, resisting acids, alkalis, and moisture while eliminating the risk of medium contamination.
What sets it apart is the RA 0.4μm mirror-level polishing process –
both inner and outer surfaces undergo multi-stage precision
polishing, with roughness far exceeding industry standards. Beyond
the sleek metallic luster, it solves practical pain points: minimal
medium residue for easy cleaning, ultra-low material adhesion,
making it ideal for high-hygiene scenarios like food processing,
pharmaceuticals, and fine chemicals. Additionally, the smooth
surface reduces fluid resistance, boosting equipment efficiency and
extending overall service life.
From structural safety to hygiene standards, from installation
compatibility to operational costs, this product fully meets the
strict demands of industrial production – your optimal choice for
enhancing equipment quality and reducing long-term investment!
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