
Available thicknesses for Alloy 825
3/16 | 1/4 | 3/8 | 1/2 | 5/8 | 3/4 |
4.8mm | 6.3mm | 9.5mm | 12.7mm | 15.9mm | 19mm |
1 | 1 1/4 | 1 1/2 | 1 3/4 | 2 | |
25.4mm | 31.8mm | 38.1mm | 44.5mm | 50.8mm |
Standards
Chemical Analysis
Nickel | 38.0 min.-46.0 max. | Iron | 22.0 min. |
Chromium | 19.5 min.-23.5 max. | Molybdenum | 2.5 min.-3.5 max. |
Molybdenum | 8.0 min.-10.0 max. | Copper | 1.5 min.-3.0 max. |
Titanium | 0.6 min.-1.2 max. | Carbon | 0.05 max. |
Niobium (plus Tantalum) | 3.15 min.-4.15 max. | Titanium | 0.40 |
Carbon | 0.10 | Manganese | 1.00 max. |
Sulfur | 0.03 max. | Silicon | 0.5 max. |
Aluminium | 0.2 max. |
Mechanical Properties
Yield Strength | Ultimate Tensile | Elongation | Hardness | ||
psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | Rockwell B |
49,000 | 338 | 96,000 | 662 | 45 | 135-165 |
Temperature F | 70 | 400 | 600 | 800 | 1000 | 1200 | 1400 | 1600 |
Ultimate Tensile Strength, ksi | 144 | 134 | 132 | 132 | 130 | 119 | 78 | 40 |
0.2% Yield Strength, ksi | 84 | 66 | 63 | 61 | 61 | 60 | 59 | 39 |
Elongation, % | 44 | 45 | 42.5 | 45 | 48 | 34 | 59 | 117 |
Typical Rupture Strength Bar, Stress to Rupture at Indicated Time
Temperature, F | 1200 | 1300 | 1400 |
100 Hours, ksi | 59 | 34 | 18 |
1,000 Hours, ksi | 43 | 23 | 12 |
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