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NACE MR0175, which Temperature has to be considered; Operating or Design Temperature?

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Question:

NACE MR0175/ISO 15156-3: 2009(E) Table A2 & NACE MR0175/ISO 15156-3: 2009/Cir.2:2013(E), Table A2 Which Temperature has to be considered against Colum no:2 of Table A.2, Operating or Design Teperature?

Answer:

“The temperature column in Table A.2 (and for all other tables) defines the maximum exposure temperature in combination with the limits for partial pressure of H2S, chloride and pH. The equipment user shall define the exposure temperature. The equipment manufacturer may define an operating temperature range or safe use maximum temperature for a specific product.”

This question is in relation to NACE MR0175/ISO 15156-3 Table A.2

Reference: ISO 15156 Maintenance Panel Inquiry #2015-02 Q2 & Q3

At Oil & Gas Corrosion we see many enquiries related to the exposure temperature. We have the expertise to help you decide if you should use the operating or design temperature. We do this by evaluating the production conditions (pressure, temperature, produced water etc) and evaluating the risks and consequences.

 

With a wealth of experience in the oil and gas industry, we provide independent materials and corrosion consultancy to help companies reduce risk, save money and apply best practice in their oil and gas businesses.

Find out more by getting in touch – you’ll get an answer from a qualified, experienced materials engineer every time.

 

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