VM 90 SS

VM 90 SS.png

VM 90 SS is a high H2S corrosion resistant grade low alloy steel. Its sour service resistance has been designed and material is quality control tested per lot. It is in accordance with API 5CT Grade C90 type 1 PSL ​2 and NACE MR0175. It has a 90% SMYS threshold level of resistance to sour environment.

APPLICATIONS

VM 90 SS can be used as tubing or casing with effluent containing H2S from room to high temperatures. VM 90 SS is available up to 16" and with heavy wall up to 1" and more. Recommended use is with pCO2 below 2psi / 0.14bar.

PERFORMANCES

​VM 90 SS is a 90ksi grade H2S resistant controlled at 90% SMYS in NACE A test conditions​

Graph8.jpg​ 

MEC​HANICAL PROPERTIES

Yield​ Strength 

Ksi (MPa)​

​Ultima​te​ Tensile ​

​Strength ksi (MPa)  

Elongation
%   
Hardness
HRC 
Shear area​
Max​.​​Max.
Min.Max.​​Min.Max.
Min.
90
​(621
) 
105
(724)
100
(689)
125
(862)
API
formula
​​22.0
75​

Control hardness through wall        ​​


 
0.5​00" or less
​(12.​70mm or less)​

0.501" to 0.749
(12.71 to 
​19.04 mm​​)​
    
0.750" to 0.999"
(1​9.05 
to 25.39mm)​

​1​.000" and above
(25.​40mm and more)
3.04.05.06.0​

CORROSION RESISTANCE​

Quality Control corrosion performances - SSC​

​                     ​​​       ​      N​ACE TM 0177 

        ​​

Test type                          Te​st medium



Threshold Stress ​​
     NACE A (uniaxial)    NACE Solution A​​85% SMYS
 
STORAGE & HANDLING RECOMMENDATION​​

Please refer to the VAM® BOOK ​and API RP5C1​​.​​