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Solder Alloy 704 vs. SAE-AISI M46 Steel

Solder alloy 704 belongs to the otherwise unclassified metals classification, while SAE-AISI M46 steel belongs to the iron alloys. There are 19 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 704 and the bottom bar is SAE-AISI M46 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
200
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 55
800 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 62
270
Melting Completion (Liquidus), °C 240
1540
Melting Onset (Solidus), °C 220
1500
Specific Heat Capacity, J/kg-K 220
450
Thermal Conductivity, W/m-K 50
18
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 19
12
Embodied Energy, MJ/kg 320
180

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.1
27 to 78
Strength to Weight: Bending, points 4.3
24 to 48
Thermal Diffusivity, mm2/s 30
4.9
Thermal Shock Resistance, points 3.5
25 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.7 to 4.2
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0 to 0.050
0 to 0.25
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
70 to 73.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
8.0 to 8.5
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.4 to 0.65
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 94.3 to 95.2
0
Tungsten (W), % 0
1.9 to 2.2
Vanadium (V), % 0
3.0 to 3.3
Zinc (Zn), % 0 to 0.0010
0