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Basic Data on Aluminium

Physical properties of pure aluminium:

Property High-purity aluminium Standard-purity aluminium
(99.996% of total mass) (99.5% of total mass)
Atomic number 13 -
Atomic weight 26.9815 -
Lattice constant (face-centered cubic lattice) 20°C (nm) 0.40496 0.404
Density (Mg/m3) 20°C 2.6984 2.71
700°C - 2.373
Melting point (°C) 660.1 Approx. 650
Boiling point (°C) 2520 -
Latent heat of fusion (kJ/mol) 10.47 10.3
Heat of combustion (kJ/mol) 834 835
Specific heat from 0 to 100°C (J/kg・°C) 917 -
Thermal conductivity 25°C (W/m・°C) 238 225 (soft)
Linear expansion coefficient 20°C to 100°C (/°C) 24.58 x 10-6 23.5 x 10-6
100°C to 300°C (/°C) 25.45 x 10-6 25.6 x 10-6
Young's modulus (kN/mm2) 70.6 68.6
Side (shear) elastic modulus (kN/mm2) 26.2 25.7
Conductivity (in relation to standard copper) (%) 64.94 59 (soft)
Specific resistance (nΩ・m) 660°C 240 200
20°C 26.548 29.22 (soft)

Physical properties of aluminium alloys

Alloys Density (20°C)
(Mg/m3)		 Melting temperature range(1) (°C) Conductivity(2) (20°C)
(IACS, %)		 Thermal conductivity (20°C)
kW/(m・°C)
Type Designation
1070
1060
1050		 O
H18		 2.7 646 to 657 62
61		 0.23
0.23
2014 O
T4
T6		 2.8 507 to 638 50
34
40		 0.19
0.13
0.15
2017 O
T4		 2.79 513 to 640 50
34		 0.19
0.13
2618 T6 2.76 549 to 638 37 0.15
3003 O
H18		 2.73 643 to 654 50
40		 0.19
0.15
3004 Mean across all designations 2.72 629 to 654 42 0.16
4032 O
T6		 2.68 532 to 571 40
35		 0.15
0.14
5052 Mean across all designations 2.68 607 to 649 35 0.14
5056 O
H38		 2.64 568 to 638 29
27		 0.12
0.11
5083 O 2.66 574 to 638 29 0.12
5086 O 2.66 585 to 640 31 0.13
6101 T6 2.7 621 to 654 57 0.22
6005C
(6N01)		 O
T5
T6		 2.7 615 to 652 52
46
47		 0.21
0.19
0.19
6061 O
T4
T6		 2.7 582 to 652 47
40
43		 0.18
0.15
0.17
6151 O
T4
T6		 2.71 588 to 650 54
42
45		 0.21
0.16
0.18
6063 O
T5
T6		 2.69 615 to 655 58
55
53		 0.22
0.21
0.2
7003 T5 2.79 620 to 650 37 0.15
7050 O
T76		 2.83 524 to 635 47
40		 0.18
0.15
7072 O 2.72 646 to 657 59 0.22
7075 T6 2.8 477 to 635 33 0.13
7204
(7N01)		 T6 2.78 620 to 650 36 0.14
  • Note (1): Indicates a standard chemical composition with a thickness of 6 mm, or a greater expansile material value
  •      (2): Expresses a relative proportion as a percentage, given that the conductivity of the international annealed copper standard as stipulated in IEC60028 (5.8 x 107S/m in 20°C) is 100

Comparison between aluminium and other industrial materials:

Material Tensile strength Yield strength Elongation Shear
strength		 Young's
modulus		 Specific gravity Melting point Conductivity Thermal conductivity
(20°C)		 Mean linear expansion coefficient

(20°C)
(N/mm2) (N/mm2) (%) (N/mm2) (kN/mm2) (°C) (IACS%) W/m・°C (μm/m・°C)
Polyethylene 12 to 31 - 20
to 100		 11.6 0.55
to 1.03		 0.92
to 0.96		 (Softening point)
42		 - 0.46 to 0.54 10 to 18
Polyvinyl chloride 35 to 62 - 2 to 4 - 2.11
to 4.12		 1.38
to 1.45		 (Softening point)
60 to 80		 - 0.1 to 0.5 50 to 185
Wood (hard) 69 - 1.5 9.8 10.98 0.67 - - 0.2 6.3
Magnesium Forged product 302 220 14 140 44.6 1.8 510
to 621		 13 80 25.9
Casting product 268 96 10 137 44.6 1.82 404
to 599		 12 70 26.7
Zinc Die-casting 275 178 5 213 - 6.64 - 27 110 27.4
Copper Hard 343 309 6 192 117 8.9 1065
to 1082		 100 390 16.8
Hot-rolled material 233 69 45 158 117 8.9 1065
to 1082		 100 390 16.8
Brass
(35% Zn)		 Hard 522 309 7 295 103 8.46 904
to 935		 26 120 18.4
Soft 309 86 50 227 103 8.46 904
to 935		 26 120 18.4
Iron Cast 206 172 0.5 302 96 7.1 1093
to 1316		 2 50 10.1
Sheets 350 213 21 288 192 7.65 Approx. 1530 16 70 11.7
Copper Cast 515 288 24 412 206 7.86 1466
to 1510		 11 50 11.7
Hot-rolled material 412 261 30 309 192 7.85 12 60 11.7
Stainless steel Soft 618 275 55 460 199 7.9 1427
to 1471		 2.4 20 17.3
Hard 1059 858 15 769 199 7.9 1427
to 1471		 2.1 20 17.3
Pure industrial
titanium		 Soft 392 275 42 245 106.4 4.5 1660 3.1 17 8.9
Aluminium 1100-H18 166 152 5 89 68 2.71 646
to 657		 57 220 23.6
7075-T6 566 496 11 338 70.7 2.8 476
to 638		 33 130 23.6
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