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Solder Alloy 137 vs. ASTM A202 Steel

Solder alloy 137 belongs to the otherwise unclassified metals classification, while ASTM A202 steel belongs to the iron alloys. 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 solder alloy 137 and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
190
Elongation at Break, % 19
17 to 18
Poisson's Ratio 0.42
0.29
Shear Modulus, GPa 8.3
73
Tensile Strength: Ultimate (UTS), MPa 34
590 to 670

Thermal Properties

Latent Heat of Fusion, J/g 33
260
Melting Completion (Liquidus), °C 270
1450
Melting Onset (Solidus), °C 190
1410
Specific Heat Capacity, J/kg-K 150
470
Thermal Conductivity, W/m-K 38
52
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 85
2.1
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 6.3
1.4
Embodied Energy, MJ/kg 100
19
Embodied Water, L/kg 660
49

Common Calculations

Stiffness to Weight: Axial, points 1.3
13
Stiffness to Weight: Bending, points 9.2
24
Strength to Weight: Axial, points 0.9
21 to 24
Strength to Weight: Bending, points 2.2
20 to 22
Thermal Diffusivity, mm2/s 25
14
Thermal Shock Resistance, points 3.7
17 to 20