In article t, RoyJ says...

A2 needs to be hardened by going up to 1775F, then tempered at various
temps up to 1000F, (first peak is at 500F but that is too low). Can you
silver solder it at something like 800F or less?

Silver-bearing soft solder, Eutectic 151. Not as good as real
silver solder but has about three times the tensile strength
of lead-tin. Flows below 800F.

Jim


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