Property Alloy
1050A
H14
Alloy
3003A
H14
Alloy
2017A
T4
T451
Alloy
5086
H116
H321
Alloy
6005A
T5
T6
Alloy
7075
T6
T651
Steel
E24
A37
Steel
E36
A52
Stainless Steel
Z7CN
18-09
(304)
Stainless Steel
Z7CND
18-12
(316)
Rolled copper
TEMPER
M20
Brass
CuZn40
Pb3
Polyamide
PA6
Melting point or range °C 645 / 658 640 / 655 510 / 645 585 / 640 605 / 655 475 / 635 1400 / 1530 1400 / 1530 1400 / 1450 1375 / 1400 1083 875 / 890 220
Density ( kg.m ) 2700 2730 2790 2670 2710 2810 7820 7820 7900 7900 8940 8500 1130
Coefficient of linear expansion
( 20 to 100 °C )
( 10 k )
23.5 23.2 22.9 23.8 23.5 23.5 13.5 13.5 17.5 19 17.0 21.0 100 / 150
Thermal conductivity at
20 °C W / ( m. K )
229 155 134 126 193 130 54 40 15 152 391 121 0.24
Electrical conductivity at
20 °C
( MS.m )
34.5 24.4 19.7 18.0 28.7 19.1 5 5 1.37 1.35 57 14.3 <10.17
Proof stress
Rp0.2 ( MPa )
80 140 275 250 260 505 240 360 > 230 > 280 69 196/245
Tensile strength
UTS ( MPa )
115 155 425 330 285 570 410 550 ≤ 700 570 / 690 235 432 / 500 80
Elongation A ( % ) 6 8 21 17 12 10 24 20 ≥ 50 ≥ 40 45 ≥ 15 50
Young's
modulus ( Mpa )
69 000 69 000 72 500 71 000 69 500 72 000 210 000 210 000 200 000 200 000 115 000 95 000
Brinell hardness
( HB )
35 46 110 80 90 160 110 155 45 105 / 150