An actual marking on product shall reflect that product has manufactured accordance to the specification and its original. It is necessary to cross check with the material test report.
Each fitting shall be permanently marked with the required identification by raised lettering and/or stamping. Cylindrical fittings shall be marked on the O.D. or end of the fitting in a location such that the marking will not be obliterated as a result of welding installation (ASME B16.11).
ASME B16.11 covers normal size from 1/8″ to 4″. Fittings shall be made of materials consisting of forgings, bar, seamless pipe, or seamless tubular products.
|Required||Description||Verified (refer photo)|
|Name:||manufacturer’s name or trade-marks||I.M.L|
|Material identification||material designation||ASTM A105N or ASTM A182|
|Class Designation||rating||3000 or 6000|
|Product Conformance||forming specification||B16.11 or B16|
|Size||SI or US Customary Units||NPS 1″ or DN25|
|Heat number||identification number||T3Z|
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