Wednesday, August 25, 2010

[MW:6692] RE: 6686] Sour Service

Please refer to NACE MR 0175 / ISO 15156.
The partial pressure (mole concentrafion of H2S times the line pressure) of H2S decides and there are more regimes, shown in curves in NACE MR 0175 / ISO 15156. At relative small line pressures, 50 ppm will not result in sour service conditions.
regards
Kristian


From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Manav Malhotra
Sent: 24. august 2010 17:35
To: materials-welding@googlegroups.com
Subject: [MW:6686] Sour Service

Dear Members,
 
Can anyone clarify whats the requirment of sour service. Some say presence of H2S or if H2S is more than 50 ppm.
 
Regards,
Manav Malhotra

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