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ASTM A285 Carbon Steel vs. Solder Alloy 124

ASTM A285 carbon steel belongs to the iron alloys classification, while solder alloy 124 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
17
Elongation at Break, % 30 to 34
46
Poisson's Ratio 0.29
0.44
Shear Modulus, GPa 73
5.8
Tensile Strength: Ultimate (UTS), MPa 380 to 450
27

Thermal Properties

Latent Heat of Fusion, J/g 250
24
Melting Completion (Liquidus), °C 1470
330
Melting Onset (Solidus), °C 1420 to 1430
320
Specific Heat Capacity, J/kg-K 470
130
Thermal Conductivity, W/m-K 53
22
Thermal Expansion, µm/m-K 12
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
70
Density, g/cm3 7.9
11
Embodied Carbon, kg CO2/kg material 1.4
4.1
Embodied Energy, MJ/kg 18
68
Embodied Water, L/kg 46
470

Common Calculations

Stiffness to Weight: Axial, points 13
0.83
Stiffness to Weight: Bending, points 24
7.6
Strength to Weight: Axial, points 13 to 16
0.65
Strength to Weight: Bending, points 15 to 17
1.8
Thermal Diffusivity, mm2/s 14
15
Thermal Shock Resistance, points 12 to 14
3.9