Artifact ID DK 0209A/0381
Negative Number NS245
Etchant AH/HP, FeCl3
Photo Date 7/25/2000
StructureHot-worked and quenched.
Metallographic DescriptionBeta-tin martensite. The matrix is largely covered by a heavy coat of needles. There is not much alpha; what there is is often twinned.
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