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HAYNES® Alloys

Hardness and Grain Size

Solution-annealed Room Temperature Hardness

Form Hardness, HRBW Typical ASTM Grain Size
Sheet 88 3.5 - 5
Plate 87 0 - 5
Bar 84 0 - 4.5

HRBW = Hardness Rockwell “B”, Tungsten Indentor.

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