Corrosion Classes SS 2298

Material and surface treatment
chosen by the manufacturer.


Material and surface treatment
chosen by the manufacturer.

All parts in
chrome steel 
1.4301 / AIAI 430 / SS2320.

All parts in
stainless steel
1.4301 / AISI 304 / SS2333.

All parts in acid resistant steel
1.4436 / AISI 316 / SS2343.

All parts in acid resistant steel.





 

ABA´s material choice is high, Swedish aluzinc.

 
 
 

Screw and housing in 1.4436 / AISI 316 / SS2343
and band in higher grade 1.4547 / SS-EN 10 088-1.


Min.72 hours to red rust*.

Min. 200 hours to red rust*. Min. time to red rust is 500 hours*. Min. time to red rust is 500 hours*. Min. time to red rust is 2.000 hours*.

Min. to red rust well over 2.000 hours*.

Comparable to W1.

Closest to W2, but as the screw is made of carbon steel and the band is made of chrome steel the time to red rust is lower for W2.

Comparable to W3.

Comparable to W4.

Comparable to W5.

 

* Testing according to SS-ISO 9227 with neutral salt mist spray.

 

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