[MW:23031] Raw material certificate

Dear experts,

while reviewing the material test certificates, I came across RAW material TC which is dated years back from the date of inspection of pipes which was ASTM A 105. and the RAW material TC does not shows A105 grade. its showing some other number. Pls clarify how I can make sure that it is the appropriate RAW material which is used for the manufacture of this pipe

Regards

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