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A No. Question

A No. Question

A No. Question

(OP)
What do the dashes mean in QW-442? Can additions of Ni, Mo, and Cr be added to A No. 1 filler metal and still meet this classification if it does not meet other classifications?

RE: A No. Question

The dots mean not specified. Look at SA 751 for understanding nomenclature related to chemical analysis.

RE: A No. Question

(OP)
Thanks!

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