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Solder Alloy 703 vs. ASTM A217 Cast Steel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while ASTM A217 cast steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 35
21 to 27
Poisson's Ratio 0.36
0.28 to 0.29
Shear Modulus, GPa 19
73 to 75
Tensile Strength: Ultimate (UTS), MPa 57
540 to 710

Thermal Properties

Latent Heat of Fusion, J/g 61
250 to 270
Melting Completion (Liquidus), °C 220
1450 to 1460
Melting Onset (Solidus), °C 220
1410 to 1420
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 55
26 to 50
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.4 to 11

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.8
Embodied Carbon, kg CO2/kg material 18
1.5 to 2.1
Embodied Energy, MJ/kg 300
20 to 28

Common Calculations

Stiffness to Weight: Axial, points 3.8
13 to 14
Stiffness to Weight: Bending, points 17
24 to 25
Strength to Weight: Axial, points 2.1
19 to 25
Strength to Weight: Bending, points 4.4
19 to 23
Thermal Diffusivity, mm2/s 33
6.9 to 14
Thermal Shock Resistance, points 3.7
16 to 20