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Annealing Response After Cold Forming

Effect of Cold Reduction on Room Temperature Tensile Properties*

Percentage Cold Reduction Subsequent Anneal Temperature Ultimate Tensile Strength 0.2% Offset Yield Strength Elongation Hardness
% - ksi MPa ksi MPa % Rb
0 - 107.0 738 51.0 352 47 87
10 1900°F (1038°C) for 5 min 100.7 694 51.9 358 45.6 86
20 103.9 716 58.3 402 43.1 85
30 106.1 732 55.5 383 41.2 88
40 105.2 725 45.4 313 45.4 90
50 110.2 760 48.6 335 45.0 92
10 2000°F (1093°C) for 5 min 97.3 671 48.2 332 48.5 90
20 98.4 678 51.0 352 47.5 89
30 100.9 696 41.7 288 47.8 88
40 103.6 714 42.8 295 47.1 86
50 107.4 741 46.2 319 44.2 91

*Based upon rolling reductions taken upon 0.120-inch (3.0mm) thick mill annealed sheet

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