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Note on the use of spherical heads
Note that the **ball type head** is specifically used in certain applications. Here are some important considerations:
1. Carbon steel ball heads may crack when exposed to environments containing nitrates, ammonia, or alkaline sodium solutions. To prevent this, it's crucial to eliminate residual stresses during the manufacturing process when ordering such components.
2. Austenitic stainless steels are prone to stress corrosion cracking in environments containing chloride ions. Therefore, when designing a ball head, it's essential to select appropriate materials that can withstand the specific conditions of the application.
3. For carbon steel containers that require hot-dip galvanizing or aluminizing, it's recommended to perform heat treatment first to remove any residual stresses. This step helps improve the structural integrity and longevity of the component.
For more detailed information on different types of stainless steel heads, you can refer to the following links:
- Conical head, no straight edge head, spherical head, and other stainless steel heads: [Link]
- Flat-bottomed head, butterfly head, spherical head, and other stainless steel heads: [Link]
- A general overview of stainless steel heads: [Link]
If you're unsure about which type of ball head is suitable for your project, consider consulting with an engineer or supplier who specializes in pressure vessel components. They can help you choose the right material and design based on your specific operating conditions. Always ensure that the selected head meets industry standards and safety requirements.