Quenching Process for 07MnMoVR 600 MPa-grade Steel for Hydropower Applications Spherical Heads

Quenching Process for 07MnMoVR 600 MPa-grade Steel for Hydropower Applications Spherical Heads 

Specification:

Introduction to Hemispherical Heads

Hemispherical heads, also known as hemispherical tank heads or hemispherical dished ends, are widely recognized for their superior mechanical properties and efficient material usage. These heads consist of half a spherical shell with a short cylindrical edge, making them an ideal choice for various industrial applications, particularly in pressure vessels.

Advantages of Hemispherical Heads

One of the key advantages of hemispherical heads is their ability to evenly distribute internal pressure across the entire surface. This unique feature enhances structural integrity and ensures maximum durability, making them highly reliable for liquid and gas storage tanks. Additionally, the hemispherical design allows for improved efficiency in combustion chambers, reducing heat loss and accommodating larger intake and exhaust valves in engine applications.

Immersive Experience Quenching Process for 07MnMoVR (600 MPa-grade Steel for Hydropower Applications) Spherical Heads Heating and quenching produce high-quality hemispherical end caps Heating And Quenching Produce High-Quality Hemispherical End Caps. Large Spherical/Hemispherical Vessel Heads Pressure Vessels Spherical Heads are precision-formed vessel ends designed for high-pressure applications. Available in carbon steel and stainless steel, with customizable diameters, thicknesses, and edge preparation to match drawings. Suitable for petrochemical, chemical, boiler, and power industries.Hemispherical Head Spherical Head Pressure Vessel Hemispherical Head Stainless Steel Hemispherical Head Carbon Steel Spherical Head Hemispherical Head for High Pressure Vessels and Industrial Equipment Spherical Head for Pressure Vessels and Industrial Tanks Spherical Heads Manufacturers Spherical head is usually processed by molding or shearing method, and the material of the mold can be carbon steel, alloy steel, stainless steel and so on. Spherical Tank Heads Dished Only hemispherical head works well in applications that require a high level of pressure and a large-diameter pressure vessel.

Hemispherical heads are a desirable choice for pressure vessels due to their optimal shape, which divides the pressure in the vessel equally. Carbon Steel Spherical Head, Dish Head, Tank Head · Customized 1 Inch Spherical Head for High Pressure Vessels with 300mm - 10000mm Diameter The Spherical Heads product offers a versatile solution for various applications requiring semi ellipsoidal shapes. With an outer diameter ranging from 6mm to 200mm, these stainless steel heads are designed to meet a wide range of needs. The compatibility of the Spherical Heads makes them suitable for use in different industries, providing flexibility and ease of integration.Hemispherical heads are the strongest of the formed heads. They can resist about twice the pressure rating of other types of tank heads.Spherical Head(end) is formed in the crown part of the spherical shell. and can be divided into two classes :Hemispherical head and spherical head hemispherical head is a head consisting of half a spherical shell and a straight edge cylinder short section Spherical head is a kind of head made of hemispherical surface arcs spliced together, which is usually used in the head portion of a vessel or pipeline Hemispherical heads are often used in high pressure vessels. The spherical crown head is a part of the spherical surface directly connected 

Technical Specifications

• Diameter: Available in sizes ranging from 20” to 72” (customizable up to 5000 mm)

• Material Thickness: Ranges from 10 gauge to 3/8” plate (2 mm to 200 mm)

• Dish Radius: Equal to 50% of the diameter

• Materials Available:

• Carbon steel tank ends/caps: SA516 GR60N, GR70N

• Stainless steel ellipsoidal dished end, elliptical tank head: SA240 304, 316

• Titanium alloy pressure vessel ends: SB256 GR1, GR2, GR5

• Manufacturing Technology: Cold pressing and hot pressing techniques

• Surface Treatment: Options include pickling, sandblasting, or customized treatments

Applications of Hemispherical Heads

Due to their outstanding pressure distribution capabilities, hemispherical heads are extensively used in various industries, including:

• Pressure Vessels: ASME heads, large hemisphere ends, small stainless hemisphere heads for tube ends, carbon steel hemisphere heads for boiler tops

• Heat Exchangers: Facilitating efficient thermal exchange in industrial processes

• Tanks & Storage Containers: Providing durable solutions for liquid and gas storage

• Petroleum & Chemical Industry: Used in water conservancy, electric power, boilers, machinery, metallurgy, and sanitary construction

Selection Considerations for Vessel Heads

When selecting vessel heads, the following factors should be considered:

1. Customer Requirements – Customization options based on application needs.

2. Chemical Process Requirements –

• Conical heads for vertical vessels with solid masses to aid in flow and discharge.

• Elliptical or spherical heads for liquid masses.

• Stirred pressure vessels should match the head shape with slurry leaf design and flow form.

3. Pressure Considerations –

• Medium and low-pressure vessels often use ellipsoidal heads.

• High and ultra-high-pressure vessels typically use spherical heads.

4. Stress Analysis –

• If ellipsoidal heads have large openings that cause excessive local stress, spherical heads may be preferred.

Certifications and Quality Assurance

Our hemispherical heads adhere to the highest quality standards and are certified under ISO9001:2015, ensuring superior performance and reliability in demanding industrial applications.

Packing and Delivery

Hemispherical heads are carefully packed in wooden boxes and iron shelves to ensure safe transportation. We offer customizable packaging options to meet specific customer requirements. Standard delivery time is approximately 30 days, depending on order specifications.

Conclusion

With their optimal shape, exceptional strength, and wide range of applications, hemispherical heads provide an excellent solution for industries requiring high-performance pressure containment. Available in various sizes, materials, and surface treatments, these heads deliver unmatched durability and efficiency, making them the preferred choice for industrial and engineering applications.

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 company is a leading producer of various types of dished heads, cones, and other special pressed products in different materials grades like Carbon Steel, Stainless Steel, Duplex, Super Duplex, Aluminum, Nickel and Nickel Alloys, Copper and Copper Alloys, Titanium and Its Alloys, Zirconium and all cladded material combinations.

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

Quenching Process for 07MnMoVR 600 MPa-grade Steel for Hydropower Applications Spherical 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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