The 2017 alloy is similar to 2011, this is a general-purpose alloy for automatic screw machine work. It is stronger than 2011, but harder to machine and doesn’t have the fine chip associated with 2011. It is recommended for heavy-duty parts due to its high strength. Workability is fair, with ductility and formability considered better than 2014. Arc and resistance weldability are satisfactory. Corrosion resistance is fair. It is used for rivets, fasteners and aircraft components.
Other | |||||||||||
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Weight % | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Each | total | Aluminium |
Minimun | 0.20 | — | 3.50 | 0.40 | 0.40 | — | — | — | — | — | — |
Maximum | 0.80 | 0.70 | 4.50 | 1.0 | 0.80 | 0.10 | 0.25 | 0.15 | 0.05 | 0.15 | Remainder |
Characteristics | English | Metric | |
---|---|---|---|
Nominal density
(68°F/20°C) |
0.101 lbs/in3 | 2.80 mg/m3 | |
Melting range | 955 °F – 1185°F | 513 °C – 640 °C | |
Specific heat
(212 °F/100°C) |
0.214 BTU/lb – °F | 896 J/KG- °K | |
Coefficient of thermal expansion | Linear
68°F – 212°F 20°C – 100°C |
12.7 micro in/in- °F | 22.9 micro in/in- °K |
Volumetric
68°F – 212°F |
3.67×10-5 in/in-°F | 66X10-6 m3/m3-°K | |
Thermal conductivity
(68°F/20°C) |
0 temper | 112 BTU/ft- hr – °F | 193 W/m – °K |
T4,T451 | 77.5 BTU/ft- hr – °F | 134 W/m – °K | |
Electrical conductivity (68°F/20°C) | Equal Volume | 0 temper | 50% IACS |
T4, T451 | 34% IACS | ||
Equal Weight | 0 temper | 159% IACS | |
T4, T451 | 108% IACS |
Temper | Tensile (.500″ 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 | ||||
0 | 26 | 179 | 10 | 69 | 22 | 45 | 18 | 124 | 13 | 90 | 10.5 | 72.4 | |
T4, T451 | 62 | 427 | 40 | 276 | 22 | 105 | 38 | 262 | 18 | 124 | 10.5 | 72.4 |