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Stainless Steel Hemispherical Tank Heads

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Stainless Steel Hemispherical Tank Heads

Stainless Steel Hemispherical Tank Heads
Stainless Steel Hemispherical Tank Heads Stainless Steel Hemispherical Tank Heads Stainless Steel Hemispherical Tank Heads

Large Image :  Stainless Steel Hemispherical Tank Heads

Product Details:
Place of Origin: CHINA
Brand Name: HaiQun
Model Number: ASME / ANSI B16.9 UNS S31803 / 2205
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: wooden box and iron shelf or as percustomers requirement
Delivery Time: 30-60 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 50000

Stainless Steel Hemispherical Tank Heads

Standard: SCH.10, SCH.10S, SCH.20, SCH.30, SCH.40, SCH.40S, STD Shape: Equal
Outer Diameter: 6mm - 200mm General: Semi Elliptical Head
Material: SA516 Surface: Coating
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Stainless Steel Hemispherical Tank Heads


Hemispherical Tank Heads SA516


316L Stainless Steel Tank Heads

SA516gr70n 304L 316L Stainless Steel Hemispherical Tank Heads Semi Ellipsoidal



SA516Gr70N, 304L, and 316L stainless steel semi-ellipsoidal hemispherical tank heads refer to specific materials and shapes used in pressure vessel construction. 

  1. SA516Gr70N: SA516Gr70N refers to a specific grade of carbon steel plate that meets the requirements of the ASME SA516 standard. The "N" designation typically indicates that the material is normalized, which improves its toughness and impact resistance. SA516Gr70N is commonly used in pressure vessel applications due to its excellent tensile strength and high-temperature resistance.

  2. 304L and 316L Stainless Steel: 304L and 316L are common grades of stainless steel known for their corrosion resistance and excellent mechanical properties. These stainless steel grades are often used in applications where resistance to corrosive environments is critical. 304L is a low-carbon variant of 304 stainless steel, while 316L is a low-carbon variant of 316 stainless steel. Both grades are suitable for pressure vessel construction.

  3. Hemispherical Tank Heads: Hemispherical tank heads are curved or domed end caps used to seal the ends of tanks or pressure vessels. They have a shape resembling a half-sphere or hemisphere. Hemispherical heads offer excellent stress distribution characteristics and are frequently used in high-pressure applications.

  4. Semi-Ellipsoidal: Semi-ellipsoidal tank heads have a shape that is a combination of an ellipsoid and a cylinder. They are often used in pressure vessels where a more economical design is required compared to a true ellipsoidal head. Semi-ellipsoidal heads provide good stress distribution while minimizing material usage.

When using SA516Gr70N, 304L, and 316L stainless steel semi-ellipsoidal hemispherical tank heads in pressure vessel construction, it is important to consider factors such as material compatibility, pressure ratings, dimensional accuracy, and compliance with relevant codes and standards, such as the ASME Boiler and Pressure Vessel Code. Consulting with engineers, pressure vessel specialists, or manufacturers experienced in tank head design and fabrication can help ensure the proper selection, design, and manufacturing of the tank heads for your specific pressure vessel requirements.


Order information:

  1. Pls provide us with below information
  2. Material grade. Including special requirement if have
  3. Head Diameter
  4. Nom THK or min thick
  5. Straight Flange if have
  6. others special forming process

The scope of products


Applicable to various building decoration industries
Widely used in electric power, metallurgy, food, pharmaceutical, petrochemical, water treatment equipment and light industry equipment. The company can also undertake the processing of incoming drawings and samples according to customer requirements, and customize products of different specifications.


production workshop


Stainless Steel Hemispherical Tank Heads 0


equipment Exhibition

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A corner of the warehouse

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One-stop ordering of head products


Non-standard customization       In stock for two days      Customized for seven days

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Brand Name: HaiQun
Diameter: 89mm--10000mm
Thickness: 2mm--300mm
Reduction Ratio: about 10%
Material: 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.
Forming method: Hot forming,cold forming
Surface Treatment: Sand Blasting,Pickling,oil,discaling
Inspection: UT,RT,MT,PT,TOFD.
Applicable Standard: ASME ,PED and GB
Certificate: ISO9001,ISO45001,OHSAS18001

Such as oil, chemical industry, water conservancy, electric power,
boiler, machinery, metallurgy, sanitary construction etc.

Package: Wooden cases ,wooden pallet,Steel pallet or as per customers requirement
Customized Product: Available


Material Carbon Steel; Stainless Steel; Special Steel
Size 50-10000mm
Thickness 2mm--300mm
Surface Treatment 1. Intermediate & Final stage Heat Treatments;
2. Sand / Shot Blasting after Heat Treatment;
3. Weld Edge Preparation (Manual & Machined)
Reduction ratio About 10%
Certificate ISO9001
Technology 1. Cold & Hot forming;
2. Hot Pressed Hemispheres and Cold Formed Segmental Hemispheres;
Applicable standard ANSI, ASME, MSS, API, DIN, JIS, BS. AWWA
Test 1. Liquid Penetrant Examination;
2. Ultrasonic Testing;
3. 100% Radiography Testing of weld seams;
4. Magnet Particle Examination;
5. Inspection under various Third party Inspection Agencies
6. NDT( after forming): DPT, RT, MPI, UT;
7. NDT: 100% DPT, UT & RT OF weld joint
Connection Welding
Application Pressure vessel



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Product shipping packaging


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Q: Why choose us?

A: Our company has been in the header manufacturing business for more than thirty years. We have rich international experience and professionalism, and we can provide customers with a variety of high-quality header products.


Q: Can we provide OEM/ODM service?

A: Yes.Please feel free to contact us for further details.


Q: What are your terms of payment?
A: One is to telegraphic transfer 30% of the deposit before production the remaining 70% to the copy of the bill of lading;The other is an irrevocable 100% sight L/C


Q: Can we visit your factory?
A: A warm welcome.Once we have your itinerary we will arrange for a professional sales team to follow up your case.


Q: Can you provide samples?
A: Yes,the sample of general size is free of charge,but the buyer needs to pay the shipping fee.



Contact Details
Yixing Haiqun Machinery Technology Co., Ltd.

Contact Person: Mr. Gao

Tel: +86 18015328118

Fax: 86-180-1532-8118

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