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SAE-AISI M41 Steel vs. Solder Alloy 191

SAE-AISI M41 steel belongs to the iron alloys classification, while solder alloy 191 belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
19
Poisson's Ratio 0.29
0.43
Shear Modulus, GPa 77
6.5
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
29

Thermal Properties

Latent Heat of Fusion, J/g 260
27
Melting Completion (Liquidus), °C 1600
300
Melting Onset (Solidus), °C 1550
300
Specific Heat Capacity, J/kg-K 440
130
Thermal Conductivity, W/m-K 22
24
Thermal Expansion, µm/m-K 12
29

Otherwise Unclassified Properties

Density, g/cm3 8.4
11
Embodied Carbon, kg CO2/kg material 9.1
5.8
Embodied Energy, MJ/kg 140
95

Common Calculations

Stiffness to Weight: Axial, points 13
0.93
Stiffness to Weight: Bending, points 23
8.0
Strength to Weight: Axial, points 26 to 76
0.72
Strength to Weight: Bending, points 23 to 46
1.9
Thermal Diffusivity, mm2/s 6.0
16
Thermal Shock Resistance, points 25 to 71
3.9

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), % 1.1 to 1.2
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.8 to 5.8
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), % 73.4 to 78.9
0 to 0.020
Lead (Pb), % 0
92.4 to 94
Manganese (Mn), % 0.2 to 0.6
0
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
0
Silver (Ag), % 0
1.2 to 1.8
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
4.8 to 5.2
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0 to 0.0010