Alloy 20​

Selecting the right material for the sealband electrode is one of the many important factors

in creating a proper sealing machinery.

The most popular material used today is called 'Alloy 20'.​​

​Alloy 20 is one of the so-called "super" stainless steels that is designed for maximum resistance to acid attack.

The nickel, chromium, molybdenum and copper content contribute to its overall resistance to chlorideon stress, corrosion cracking and general pitting attack.

​The alloy is stabilized with columbium to minimize carbide precipitation during welding.

It has good mechanical properties and can be fabricated with comparative ease.

The main forces of Alloy 20 are

  • ​Excellent mechanical properties and fabricability
  • Superior resistance to stress-corrosion cracking in boiling 20 to 40% sulfuric acid
  • Excellent general corrosion resistance to sulfuric acid
  • Excellent resistance to chloride stress corrosion cracking
  • Minimal carbide precipitation during welding

Electrical data

  • ​Specific resistance: 0.88
  • Resistance over length: 0.88 / (width x thickness [mm2]) x length [meter] = Ohm
  • Temperature coefficient: 1100 ppm

Info & Contact

Jørgen Bork Electronic ApS

CVR: 25809858

Åvej 30A, Hareskovby

DK - 3500 Værløse

Telefon: +45 44 48 88 80

(only online at office times)

Office time​

Monday - Thursday:

a.m. 8:00 - p.m. 16:00


Friday:

a.m. 8:00 - p.m. 15:00

E-mail

info@borkelectronic.dk
jb@borkelectronic.dk

faktura@borkelectronic.dk

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