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HAYNES® Alloys

Hardness and Grain Size

Form Hardness, HRB Typical ASTM Grain Size
Sheet 97 3.5 - 5.5
Plate 99 3.5 - 5
Bar 98 3.5 - 5

All samples tested in solution-annealed condition
HRB = Hardness Rockwell “B” 

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