Super Duplex

​​Ferritic-austenitic grades to be used in wells with CO2, chlorides and/or some H2S up to 250°C.​

 

 


 

​T​ype​​


 

 

Name

​ 

Yield Strength
 ksi (MPa)

  Min.        ​Max.

   

U.T.S. min  

ksi (MPa)​

Elongation

%

HRC max mean 

value

 ​ 


 

Color code

SUPER  

DU​PLEX

​​
VM 25​S 80*​80 (552)​105 (724)​​110 (758)25​

28.0

VM25S80.png
VM 25S 1251​25 (862)150 (1034)​​130 (896)

≥10

36.0VM25S125.png
VM 25S 1​40​140 (965)160 (1103)​​145 (1000)​​​≥9​38.0​VM25S140.png
 ​* solution annealed ​grades, higher grades are obtained by cold working.​