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ASTM A387 Grade 2 Steel vs. Solder Alloy 104

ASTM A387 grade 2 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 (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 2 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, % 25
46
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 73
13
Tensile Strength: Ultimate (UTS), MPa 470 to 550
51

Thermal Properties

Latent Heat of Fusion, J/g 250
45
Melting Completion (Liquidus), °C 1470
190
Melting Onset (Solidus), °C 1420
180
Specific Heat Capacity, J/kg-K 470
180
Thermal Conductivity, W/m-K 45
50
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
11

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.6
10
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 50
900

Common Calculations

Stiffness to Weight: Axial, points 13
2.3
Stiffness to Weight: Bending, points 24
12
Strength to Weight: Axial, points 16 to 20
1.6
Strength to Weight: Bending, points 17 to 19
3.4
Thermal Diffusivity, mm2/s 12
30
Thermal Shock Resistance, points 14 to 16
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), % 0.050 to 0.21
0
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 97.1 to 98.3
0 to 0.020
Lead (Pb), % 0
39 to 40.5
Manganese (Mn), % 0.55 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.4
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 0
0 to 0.0010