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ted_yosem

Ted Mooney, P.E. RET
- Pine Beach, NJ

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ASTM B700, Type II, Grade D, Class N

Q. We have an old customer spec. that calls out Class "J" in ASTM B700, Type II, Grade D. We have been told that Class "N" is the current revision. What is the difference between Class "J" and Class "N"? It is a silver plating over a copper flash.

Dann-O
QC Supervisor - Tyrone Pennsylvania
October 31, 2024

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