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HAYNES® Alloys

Hardness and Grain Size

Form Hardness Typical ASTM Grain Size
Sheet 88 HRBW 3 - 4.5
Plate 91 HRBW 3 - 5
Bar 88 HRBW 3 - 4.5

All samples tested in solution-annealed condition.
HRBW = Rockwell Hardness "B", Tungsten Indentor.

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