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AC-95 Material

AC-95 Material

AC-95 Material

(OP)
Can anybody tell me what the AC refers to in the material name and also what determines whether it is suitable for H2S service please. I am sort of familiar with the T-95 material and understand that the hardness value pertains to the NACE standard. Is it something to do with the Carbon content in the material that diminishes during heat treatment thus increasing the hardness value? I am no metallurgist, hence the question.

RE: AC-95 Material

(OP)
In addition to this, I have also found other alternatives such as HC-95 and C-95. What do these letters refer to???
Can anybody point me in the right direction?

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