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HAYNES® Alloys

Fabrication

Heat Treatment

HAYNES® 230® alloy is normally final solution heat-treated at 2250°F (1230°C) for a time commensurate with section thickness. Solution heat-treating can be performed at temperatures as low as about 2125°F (1165°C), but resulting material properties will be altered accordingly. Annealing during fabrication can be performed at even lower temperatures, but a final, subsequent solution heat treatment is needed to produce optimum properties and structure. Please refer to following sections and publication click here for additional information.

Typical Hardness Properties

230 - Typical Hardness Properties

Effect of Cold Reduction Upon Room-Temperature Tensile Properties*

Cold Reduction Subsequent Anneal
Temperature
Yield Strength
0.2% Offset
Ultimate Tensile
Strength
Elongation
% None ksi MPa ksi MPa %
0 61.8 425 128.2 885 46.6
10 104.0 715 144.5 995 31.8
20 133.4 920 163.9 1130 16.8
30 160.1 1105 187.5 1295 9.7
40 172.4 1190 201.5 1390 7.5
50 184.6 1275 214.6 1480 6.0
10 1950°F (1066°C) 91.9 635 143.5 990 32.9
20 80.8 555 141.9 980 35.6
30 75.9 525 142.1 980 35.7
40 81.2 560 145.5 1005 32.3
50 86.1 595 147.7 1020 34.6
10 2050°F (1121°C) 80.8 555 139.0 960 36.5
20 65.4 450 135.7 935 39.2
30 72.0 495 140.0 965 37.6
40 76.1 525 142.3 980 35.5
50 80.8 555 143.9 990 36.3
10 2150°F (1177°C) 55.5 385 129.5 895 43.7
20 64.4 445 134.3 925 40.1
30 70.2 485 138.1 950 38.5
40 73.4 505 139.2 960 38.1
50 71.9 495 137.7 950 39.1

*Based upon rolling reductions taken upon 0.120-inch (3.0 mm) thick sheet.
Duplicate tests.

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