2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness

Name: 2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness
Brand: Henan Guojiang Precision Head Co., Ltd
SKU: EHA 650×5
Price: 5,012.00 USD
Availability: InStock

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2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness

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Product Details:

Place of Origin:	Henan, China
Brand Name:	Guojiang
Certification:	ASME, PED, GB, ISO
Model Number:	EHA 650×5

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	$25-10000
Packaging Details:	Wooden cases, wooden pallets, steel pallets, or customized according to customer requirements
Delivery Time:	10-30 days
Payment Terms:	T/T,L/C
Supply Ability:	50,000 pieces per month

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2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness

description

Diameter:	76mm - 10000mm	Thickness:	1mm -300mm
Roughness:	RA 0.1-0.8μm	Customization:	Customise Products According To The Drawings And The Requirements
Material:	304, 316, 321, 2205, Q235, A36, Q245R, Q345R, SA-516Gr.60/65/70, 16MnDR, S275JR	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.

2:1 S31603 Ellipsoidal Head 650mm Open Inner Diameter 5mm Thickness

650mm diameter, 5mm thickness, cold-formed S31603 stainless steel dished head with RA 0.4 μm precision polishing, specifically engineered for LNG cryogenic tank applications.

Technical Specifications

Brand Name	GuoJiang
Diameter Range	70mm - 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 Dimensions: 650mm inner diameter with 5mm nominal wall thickness

Premium Material: S31603 stainless steel construction

Surface Finish: RA 0.4μm polishing on both surfaces

Performance: Superior corrosion resistance and reduced fluid resistance

Hygienic: Minimal medium residue for easy cleaning

Manufacturing Processes

Forming Methods:

Hot Forming for thick materials (≥20mm) or high-strength alloys
Cold Forming for thin materials (≤20mm) and stainless steel

Surface Treatment Options:

Oil Coating (food-grade optional)
Sand Blasting (Ra 1.6μm - 3.2μm)
Pickling for passivation film formation
Mechanical/Chemical Descaling
Custom finishes, including mirror polishing (Ra≤0.8μm)

Quality Assurance

Inspection Standards:

PT (Liquid Penetrant Testing)
UT (Ultrasonic Testing)
RT (Radiographic Testing)
MT (Magnetic Particle Testing)

Certifications:

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

Applications

Ideal for cryogenic gas cylinders, pressure vessels, nuclear magnetic resonance (NMR), food/pharmaceutical processing, and new energy applications. Market leader in cryogenic dewar heads with over 70% market share in China.

Packaging Options

Wooden Pallets (stackable, ≥1000kg capacity)
Wooden Cases (waterproof, shockproof)
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

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Contact Person: Ms. Jessie Liu

Tel: +86 18537319978

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