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The 5083 alloy contains 5.2% magnesium, 0.1% manganese and 0.1% chromium. In the tempered condition, it is strong and retains good formability due to excellent ductility. 5083 has high resistance to corrosion and is used in marine applications. It has the low density and excellent thermal conductivity common to all aluminum alloys.
| Others | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Weight % | Si | Fe | Cu | Mn | Mg | Cr | Ti | Each | Total | Aluminium | |
| Minimum | — | — | — | 0.40 | 4.0 | 0.05 | — | — | — | Remainder | |
| Maximum | 0.40 | 0.40 | 0.10 | 1.0 | 4.90 | 0.25 | — | 0.05 | 0.15 | ||
| Characteristics | English | Metric | ||
|---|---|---|---|---|
| Nominal density
(68°F/20°C) |
0.0961 lbs/in3 | 2.66 mg/m3 | ||
| Melting range | 1070°F-1180°F | 574°C-638°C | ||
| Specific heat
(212 °F/100°C) |
0.215 BTU/lb – °F | 900 J/KG- °K | ||
| Coefficient of thermal expansion | Linear
68°F – 212°F 20°C – 100°C |
12.4 micro in/in- °F | 22.3 micro in/in- °K | |
| Thermal Conductivity
(68°F/20°C) |
O Temper | 67.5 BTU/ft- hr – °F | 117 W/m – °K | |
| Electrical conductivity
(68°F/20°C) |
O Temper | 29% IACS | 16.82 MS/m | |
| Temper | Tensile (0.0625” Dia. Specimen) | Hardness | Shear | Fatigue | Modulus | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ultimate | Yield | Elongation/ 4D | Brinell 500 kg 10 mm | Ultimate shearing strength | Endurance limit-R.R.Moore type | Modulus of elasticity | |||||||
| KSI | MPa | KSI | MPa | % | KSI | MPa | KSI | MPa | KSIx103 | Gpa | |||
| O | 42 | 290 | 21 | 145 | 22 | 77 | 25 | 172 | 21.8 | 150 | 10.2 | 70.3 | |
| H-32 | 46.4 | 320 | 36.3 | 250 | 12 | 87 | 28.3 | 195 | — | — | 10.2 | 70.3 | |
| H-34 | 50 | 345 | 40.6 | 280 | 9 | 93 | 30.5 | 210 | — | — | 10.2 | 70.3 | |
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