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SAE-AISI M2 Steel vs. Solder Alloy 131

SAE-AISI M2 steel belongs to the iron alloys classification, while solder alloy 131 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 M2 steel and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
38
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 77
14
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
31

Thermal Properties

Latent Heat of Fusion, J/g 260
46
Melting Completion (Liquidus), °C 1610
180
Melting Onset (Solidus), °C 1570
180
Specific Heat Capacity, J/kg-K 440
190
Thermal Conductivity, W/m-K 22
55
Thermal Expansion, µm/m-K 10
25

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 8.8
11
Embodied Energy, MJ/kg 130
180
Embodied Water, L/kg 98
940

Common Calculations

Stiffness to Weight: Axial, points 13
2.4
Stiffness to Weight: Bending, points 23
13
Strength to Weight: Axial, points 25 to 71
1.0
Strength to Weight: Bending, points 22 to 44
2.5
Thermal Diffusivity, mm2/s 5.9
33
Thermal Shock Resistance, points 27 to 76
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.2 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.78 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), % 78.5 to 83.4
0 to 0.020
Lead (Pb), % 0
35.5 to 37.3
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.5 to 5.5
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
62.5 to 63.5
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
0 to 0.0010