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API 5L X65

API 5L X65

API 5L X65

(OP)
Does X65 belong to a P group or is it an unspecified material?

RE: API 5L X65

API 5L Grade X65 is an S number 1, group 2 material.  See ASME Section IX paragraph QW-420 & QW-424 for an explanation of the difference between P numbers and S numbers.

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