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HAYNES® Alloys

Hardness

Average Room Temperature Hardness of Mill Annealed HAYNES® 282® Alloy

Form Solution Annealed* Age-hardened** 
- HRB HRC
Sheet 90 30
Plate 93 32
Bar 86 29

*Solution Annealing: Sheet at 2100°F (1149°C), Plate and Bar at 2075°F (1135°C)
**Age-hardening: 1850°F (1010°C)/2h/AC + 1450°F (788°C)/8h/AC
HRB = Hardness Rockwell “B".
HRC = Hardness Rockewll "C".

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