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Solder Alloy 131 vs. SAE-AISI M6 Steel

Solder alloy 131 belongs to the otherwise unclassified metals classification, while SAE-AISI M6 steel belongs to the iron alloys. 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 solder alloy 131 and the bottom bar is SAE-AISI M6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
200
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 14
77
Tensile Strength: Ultimate (UTS), MPa 31
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 46
260
Melting Completion (Liquidus), °C 180
1560
Melting Onset (Solidus), °C 180
1510
Specific Heat Capacity, J/kg-K 190
440
Thermal Conductivity, W/m-K 55
17
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 11
8.0
Embodied Energy, MJ/kg 180
120
Embodied Water, L/kg 940
160

Common Calculations

Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
23
Strength to Weight: Axial, points 1.0
28 to 73
Strength to Weight: Bending, points 2.5
24 to 45
Thermal Diffusivity, mm2/s 33
4.7
Thermal Shock Resistance, points 2.4
26 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
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
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
11 to 13
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
68.8 to 74.6
Lead (Pb), % 35.5 to 37.3
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 62.5 to 63.5
0
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 0
1.3 to 1.7
Zinc (Zn), % 0 to 0.0010
0