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Solder Alloy 104 vs. ASTM Grade HD Steel

Solder alloy 104 belongs to the otherwise unclassified metals classification, while ASTM grade HD steel belongs to the iron alloys. 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 solder alloy 104 and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
200
Elongation at Break, % 46
9.1
Poisson's Ratio 0.39
0.27
Shear Modulus, GPa 13
80
Tensile Strength: Ultimate (UTS), MPa 51
590

Thermal Properties

Latent Heat of Fusion, J/g 45
310
Melting Completion (Liquidus), °C 190
1410
Melting Onset (Solidus), °C 180
1370
Specific Heat Capacity, J/kg-K 180
490
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 25
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 10
3.1
Embodied Energy, MJ/kg 180
45
Embodied Water, L/kg 900
180

Common Calculations

Stiffness to Weight: Axial, points 2.3
15
Stiffness to Weight: Bending, points 12
26
Strength to Weight: Axial, points 1.6
21
Strength to Weight: Bending, points 3.4
20
Thermal Diffusivity, mm2/s 30
4.3
Thermal Shock Resistance, points 4.0
19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
58.4 to 70
Lead (Pb), % 39 to 40.5
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
4.0 to 7.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0