Stainless Steel Elliptical Head 316/316L Elliptical Heads

 Stainless Steel Elliptical Head 316/316L Elliptical Heads 

The elliptical head, also known as the ellipsoidal head, is a highly versatile and reliable component in various industrial applications. Its innovative design combines functionality with compliance to ensure optimal performance across a wide range of industries.

What Are Elliptical Heads?

Elliptical heads consist of two key sections: a rotating ellipsoidal sphere and a cylindrical straight section. Unlike heads with a specific dish radius or knuckle radius, elliptical heads are crafted with precise proportions to achieve their distinctive shape. The dish radius is approximately 90% of the diameter, and the knuckle radius is about 17% of the diameter. These proportions are not only mathematically elegant but also engineered for compliance with ASME standards, particularly the widely used 2:1 elliptical flanged and dished heads.

Key Specifications of Elliptical Heads

• Product Names: Elliptical Heads, elliptical head price, boiler elliptical end cap.

• Diameter: Ranges from 90 mm to 5000 mm, with customizable options.

• Thickness: Between 2 mm and 200 mm, ensuring flexibility for various applications.

• Reduction Ratio (R): About 10%.

• Materials: Available in carbon steel, stainless steel, aluminum, copper, titanium, nickel, and nickel alloy steel.

• Certification: ISO 9001:2015 certified.

• Applications: Commonly used in pressure vessels, heat exchangers, and tanks.

• Manufacturing Technologies: Includes both cold pressing and hot pressing methods.

• Surface Treatment Options: Pickling, sandblasting, or as per customer requirements.

• Packaging: Delivered in secure wooden boxes or iron shelves, or customized packaging as needed.

• Delivery Time: Approximately 30 days.

Ellipsoidal dish end (also called elliptical head or elliptical dish end) is usually made with Carbon steel, stainless steel, austenitic and non ferritic metals that can be cold worked. The elliptical dish end radius varies between the major and minor axis usually with the ratio is 2:1. The shape of this ellipsoidal head is more economical, because the height of the head is just a fraction of the diameter. Our tank head can be customized according to your needs. We can choose the most suitable model for you depending on your demands on shape, thickness, material and diameter.

 Elliptical head is composed of half ellipsoid and a cylindrical straight segments. The Straight section can avoid mutation of radius of curvature between the connection welds of the head and cylinder, thus improving the stress status of the welds.

- As The Meridian curvature change of ellipsoidal part of the tank head is smooth and continuous, the stress distribute uniformly.
- Easy to punch forming compared with the hemispherical head, because the depth of ellipsoidal head is smaller than the hemispherical head. (elliptical end cap)

Applications Across Industries

Elliptical heads serve as a vital component in numerous industries, such as:

• Petroleum: For secure storage and transport of oil and gas.

• Electronics: Supporting cooling systems and vacuum chambers.

• Chemicals: Providing corrosion-resistant solutions for reactors and tanks.

• Pharmaceuticals: Ensuring clean and durable vessels for sensitive processes.

• Food: Safe and hygienic storage for liquids and gases.

• Construction and Machinery: Offering structural integrity in heavy-duty equipment.

• Aerospace and Military: Meeting rigorous standards for strength and reliability.

  
  

• 1. Pressure Vessel Industry      2. Petroleum Industry                   3. Chemical Industry

• 4. Pharmaceutical Industry       5. Sewage Treatment Industry      6. Food Industry

• 7. Nuclear Power Industry        8. Gas Industry                              9. Aerospace Industry

• 10. Machinery Industry            11. Construction Industry               12. Shipbuilding Industry

• 13. Cosmetic Industry             14. General Storage Industry         15. Steam Boiler Industry

Material Options

Elliptical heads can be manufactured from various materials to meet specific needs:

• Carbon Steel: Ideal for cost-effective durability (e.g., SA516 GR60N, GR70N).

• Stainless Steel: Provides superior corrosion resistance (e.g., SA240 304, 316).

• Titanium Alloys: Lightweight and highly resistant to extreme conditions (e.g., SB256 GR1, GR2, GR5).

Quality Assurance

Every elliptical head undergoes stringent quality control, including:

1. Physical and chemical material tests.

2. Hot forging and forming.

3. Heat treatment for enhanced durability.

4. Detailed inspections at each production stage.

5. Final finishing, marking, and packing.

Choosing the Right Head

When selecting an elliptical head, consider the following:

1. Customer Requirements: Ensure the design aligns with operational goals.

2. Chemical Process Needs: For liquid masses, elliptical heads or spherical heads are optimal; conical heads are better for solid masses.

3. Pressure Levels: Elliptical heads are ideal for medium to low-pressure applications, while spherical heads are recommended for high-pressure scenarios.

4. Stress Analysis: Assess the stress transition zones and local stress levels to determine the most suitable head type.

Conclusion

The elliptical head is an indispensable solution for various industrial and engineering needs. With its precision design, material flexibility, and compliance with global standards, it offers unparalleled performance and reliability. Whether you’re dealing with pressure vessels, boilers, or heat exchangers, elliptical heads are the perfect choice to meet your needs.

Company information

Haipei industry can produce all types of dished ends heads. They can be manufactured from a number of steel types including pressure vessel and boiler quality, chrome moly and stainless steel. The company also offers 2:1 semi ellipsodial, hemispherical petals, torispherical ends as well as conical knuckled sections.

Haipei Industry Stainless Steel Elliptical Head 316/316L Elliptical Heads are pressure vessel end caps manufactured with a 2:1 ratio of major to minor axis from dual-certified molybdenum-bearing austenitic stainless steel Stainless Semi Elliptical Tank heads Stainless Steel Dished Head Professional Stainless Steel 316 316L Elliptical dished heads Tank Heads Torispherical Dish head. ASME Cold Formed Carbon Steel Ellipsoidal Head. ASME Standard Stainless Steel SA240 TP 316L Elliptical Dished heads with U Stamp. Carbon steel, welding connection, forged technics, ISO 9001 certified.SS316L ASME 89mm Elliptical Dish Head Pressure Vessel Dome Ends ASME U 304/321/304L/316/316L Stainless Steel 2: 1 Elliptical Head Dish End The elliptical dish end radius varies between the major and minor axis usually with the ratio is 2:1. The shape of this ellipsoidal head is more economical we manufacture tank heads, rolled cylinders, and cones for pressure vessels, separators,  2:1 elliptical heads, ASME F&D heads,storage tanks, heat exchangers, and other critical equipment.  [email protected] Whatsapp:008618264838918 #dishhead #dishend #torisphericalhead #pressurevessel #ASMEhead #hemisphericalhead

Our Services

We offer our products in the following materials:

Carbon Steel: SA36, SA516-70, SA387 Grade 5 Class 2 (Forming Only), SA285 Grade C (Forming Only)

Stainless Steel: SA240T304/304L, SA240T316/316L, SA240T304H (Forming Only), SA240T904/904L (Forming Only)

Copper: O-Temper Material (Forming Only)

Aluminum: O-Temper Material (Forming Only)

Quality assurance
Quality is the most important aspect of strength.We will make the material from the material to the end of the monitoring, making sure that each part can be of high quality according to the regulations.Each program will be monitored to ensure any errors in the manufacturing process.
Competitive price guarantee
With years of experience, we can offer our customers the most competitive prices.At the same time, as a powerful factory, we can offer customers more favorable prices than other factories.
Delivery time guarantee
We will strictly control the manufacturing schedule to ensure punctual delivery.It can satisfy the customer's time schedule and ensure the continuous production of customers.

Packaging & Shipping

Stainless Steel Elliptical Head 316/316L Elliptical Heads 

1. Iron Frame2. Wooden Box3. Iron pallet4.Wooden pallet.5.Professional fixation6. Curstomed requirment

FAQ

Q: What’s the information should I provide when inquiry?

A: Thanks for your question. If you have drawings, we will be entirely in accordance with production drawings . If you do not have the drawing, you can tell me the product data. There are several important data, such as material, type of head( We have elliptical head, hemispherical head, dished head, flat head, etc. ),diameter, thickness, special tolerances or requirements. We can do the drawings according to your requirements, and you confirm that the final product drawings.

Q: what are surface treatment of the product?

A:Thanks for your question. For carbon steel products, we sandblasting descaling product surface. For stainless steel products, we use acid to remove surface oil and impurities.

Q: How do you ensure the quality of products?

A: Thanks for your question.Our production staff is trained through national quality department, and obtain the corresponding certificate, with years of production and design experience. Weld must undergo X-ray inspection to ensure that no defects.

Q: Can you help us matching related products?

A: Thanks for your question. Our company also is surrounded by a lot of ancillary businesses, such as flanges, boiler, oil refining equipment, etc. We can help you matching the highest quality products with the lowest prices .

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