Submitted by curator on Thu, 10/15/2015 - 16:22
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Inv. 33-35-079 Pin A cut from the shaft; magnification, 200x Etchant: Ammonium hydroxide + hydrogen peroxide + alcoholic ferric chloride (Sn, <0.012%; As, 2.1%; Ni, 2.8%)
A description of the microstructure is in preparation.
Microhardness: VHN: 129 ± 6 (n=6) Uniform;
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