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Solder Alloy 124 vs. ASTM A732 Cast Steel

Solder alloy 124 belongs to the otherwise unclassified metals classification, while ASTM A732 cast steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 124 and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
190
Elongation at Break, % 46
4.0 to 25
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 5.8
72 to 73
Tensile Strength: Ultimate (UTS), MPa 27
460 to 1470

Thermal Properties

Latent Heat of Fusion, J/g 24
250 to 260
Melting Completion (Liquidus), °C 330
1440 to 1460
Melting Onset (Solidus), °C 320
1400 to 1420
Specific Heat Capacity, J/kg-K 130
470 to 480
Thermal Conductivity, W/m-K 22
39 to 50
Thermal Expansion, µm/m-K 29
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.0 to 3.8
Density, g/cm3 11
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 4.1
1.4 to 1.7
Embodied Energy, MJ/kg 68
19 to 24
Embodied Water, L/kg 470
47 to 54

Common Calculations

Stiffness to Weight: Axial, points 0.83
13
Stiffness to Weight: Bending, points 7.6
24
Strength to Weight: Axial, points 0.65
16 to 52
Strength to Weight: Bending, points 1.8
17 to 37
Thermal Diffusivity, mm2/s 15
10 to 14
Thermal Shock Resistance, points 3.9
14 to 43