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ASTM A232 Spring Steel vs. Solder Alloy 104

ASTM A232 spring steel belongs to the iron alloys classification, while solder alloy 104 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A232 spring steel and the bottom bar is solder alloy 104.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
37
Elongation at Break, % 14
46
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 73
13
Tensile Strength: Ultimate (UTS), MPa 1790
51

Thermal Properties

Latent Heat of Fusion, J/g 250
45
Melting Completion (Liquidus), °C 1460
190
Melting Onset (Solidus), °C 1410
180
Specific Heat Capacity, J/kg-K 470
180
Thermal Conductivity, W/m-K 52
50
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
11

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.0
10
Embodied Energy, MJ/kg 28
180
Embodied Water, L/kg 51
900

Common Calculations

Stiffness to Weight: Axial, points 13
2.3
Stiffness to Weight: Bending, points 24
12
Strength to Weight: Axial, points 64
1.6
Strength to Weight: Bending, points 42
3.4
Thermal Diffusivity, mm2/s 14
30
Thermal Shock Resistance, points 53
4.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.48 to 0.53
0
Chromium (Cr), % 0.8 to 1.1
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 96.8 to 97.7
0 to 0.020
Lead (Pb), % 0
39 to 40.5
Manganese (Mn), % 0.7 to 0.9
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
59.5 to 60.5
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 0.0010