Dear all.
i have checked the SA 106, and i found no limitation in Si%,
but, by experience, in most material test reports i have ever checked, the Si content is (0.2-0.35%) for the carbon steel SA106-B pipes.
- i recommend using the IIW equation in evaluationg the carbon EQUIVALENT, not the API 577 RP Formula, Because the second formula is written as for an example ( i.e : NOT MANDATORY).
Amr Soliman
QA/QC Eng.
petrojet-Egypt
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