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T-95 vs C110 in NACE

T-95 vs C110 in NACE

T-95 vs C110 in NACE

(OP)
Good day all!

Below is the excerpt from API 5CT (9th edition, latest)

C110 material:

"Particular attention should be given to the application of Grade C110 in ISO 15156-2 or ANSI-NACE MR0175/ISO 15156-2 SSC Regions 2 or 3, as this material is not suitable for all sour (hydrogen sulfide-containing) service applications".

My questions are here
"can C110 material be used for SSC Regions 2 and 3 ?
If not, why API 5CT recommends this material for sour service with NACE TM0177 testing ??
Is C110 listed in NACE MR0175

Regards

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