Effect of Warm Forging on the Microstructure and Corrosion Behavior of Austenitic Stainless Steel 316LN

2020 ◽  
Vol 9 (1) ◽  
pp. 20190228
Author(s):  
Viranshu Kumar ◽  
Ratnesh Kumar Gupta ◽  
Ghanshyam Das
Keyword(s):  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Corrosion Behavior ◽  
Warm Forging

scholarly journals Comparison of 2507 Duplex and 28 % Cr- Austenitic Stainless Steel Corrosion Behavior for High Pressure and High Temperature (HPHT) in Sour Service Condition with C-ring Experiment

2021 ◽  
Author(s):  
Harris Prabowo ◽  
Badrul Munir ◽  
Yudha Pratesa ◽  
Johny W. Soedarsono
Keyword(s):  
High Pressure ◽  
Stainless Steel ◽  
High Temperature ◽  
Austenitic Stainless Steel ◽  
Corrosion Behavior ◽  
Material Selection ◽  
Stress Cracking ◽  
Sulfide Stress ◽  
Sulfide Stress Cracking ◽  
Sour Service

The scarcity of oil and gas resources made High Pressure and High Temperature (HPHT) reservoir attractive to be developed. The sour service environment gives an additional factor in material selection for HPHT reservoir. Austenitic 28 Cr and super duplex stainless steel 2507 (SS 2507) are proposed to be a potential materials candidate for such conditions. C-ring tests were performed to investigate their corrosion behavior, specifically sulfide stress cracking (SSC) and sulfide stress cracking susceptibility. The C-ring tests were done under 2.55 % H2S (31.48 psia) and 50 % CO2 (617.25 psia). The testing was done in static environment conditions. Regardless of good SSC resistance for both materials, different pitting resistance is seen in both materials. The pitting resistance did not follow the general Pitting Resistance Equivalent Number (PREN), since SS 2507 super duplex (PREN > 40) has more pitting density than 28 Cr austenitic stainless steel (PREN < 40). SS 2507 super duplex pit shape tends to be larger but shallower than 28 Cr austenitic stainless steel. 28 Cr austenitic stainless steel has a smaller pit density, yet deeper and isolated.

Corrosion behavior of a 304-oxide dispersion strengthened austenitic stainless steel in supercritical water

2015 ◽  
Vol 67 (3) ◽  
pp. 264-270 ◽  
Author(s):  
S. F. Li ◽  
Z. J. Zhou ◽  
L. F. Zhang ◽  
L. W. Zhang ◽  
H. L. Hu ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Corrosion Behavior ◽  
Supercritical Water ◽  
Oxide Dispersion Strengthened ◽  
Oxide Dispersion
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