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Service Items：Bellows
Bellows
Types of Bellows:
Metal Bellows can be broadly categorized into two types, Welded Bellows and Formed Bellows, based on their manufacturing methods. These different types of Bellows must be used separately due to their varying purposes. Each type of Bellows serves different purposes and has its advantages and disadvantages based on the manufacturing method. The following introduction will focus on the differences in manufacturing methods.

Types of Bellows:
Metal Bellows can be broadly categorized into two types, Welded Bellows and Formed Bellows, based on their manufacturing methods. These different types of Bellows must be used separately due to their varying purposes. Each type of Bellows serves different purposes and has its advantages and disadvantages based on the manufacturing method. The following introduction will focus on the differences in manufacturing methods.

Bellows Materials:

  1. There is a wide variety of materials used for Bellows.
  2. The selection of materials is usually based on the most suitable conditions among commonly used materials.
  3. The confirmation criteria for material selection are as follows:
  4. Heat resistance, corrosion resistance, stress-corrosion cracking resistance. Spring characteristics, hysteresis.
  5. Magnetic or non-magnetic properties, permeability.
  6. High strength, longevity. Manufacturing method. Market price.


Commonly used materials:

  • SUS 316L
  • AM350
  • INCONEL 625
  • HASTELLOY
  • HAYNES 242
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