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SAE-AISI M3 Class 1 Steel vs. Solder Alloy 103

SAE-AISI M3 class 1 steel belongs to the iron alloys classification, while solder alloy 103 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 1 steel and the bottom bar is solder alloy 103.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
37
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 77
13
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
52

Thermal Properties

Latent Heat of Fusion, J/g 260
45
Melting Completion (Liquidus), °C 1610
190
Melting Onset (Solidus), °C 1570
180
Specific Heat Capacity, J/kg-K 440
180
Thermal Conductivity, W/m-K 26
50
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 10
10
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 100
910

Common Calculations

Stiffness to Weight: Axial, points 13
2.3
Stiffness to Weight: Bending, points 23
12
Strength to Weight: Axial, points 26 to 72
1.6
Strength to Weight: Bending, points 22 to 44
3.5
Thermal Diffusivity, mm2/s 7.2
30
Thermal Shock Resistance, points 24 to 67
4.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 76.9 to 82.9
0 to 0.020
Lead (Pb), % 0
38.8 to 40.5
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
59.5 to 60.5
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.3 to 2.8
0
Zinc (Zn), % 0
0 to 0.0010