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6262 Aluminum vs. ASTM A229 Spring Steel

6262 aluminum belongs to the aluminum alloys classification, while ASTM A229 spring steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 6262 aluminum and the bottom bar is ASTM A229 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.6 to 10
14
Fatigue Strength, MPa 90 to 110
710 to 790
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 170 to 240
1020 to 1140
Tensile Strength: Ultimate (UTS), MPa 290 to 390
1690 to 1890
Tensile Strength: Yield (Proof), MPa 270 to 360
1100 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 580
1410
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
50
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
3260 to 4080
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 29 to 39
60 to 67
Strength to Weight: Bending, points 35 to 42
40 to 43
Thermal Diffusivity, mm2/s 69
14
Thermal Shock Resistance, points 13 to 18
54 to 60

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0
Bismuth (Bi), % 0.4 to 0.7
0
Carbon (C), % 0
0.55 to 0.85
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
0
Iron (Fe), % 0 to 0.7
97.5 to 99
Lead (Pb), % 0.4 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.3 to 1.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0.15 to 0.35
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0

Comparable Variants