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Solder Alloy 111 vs. Grade 250 Maraging Steel

Solder alloy 111 belongs to the otherwise unclassified metals classification, while grade 250 maraging steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 111 and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
190
Elongation at Break, % 35
7.3 to 17
Poisson's Ratio 0.4
0.3
Shear Modulus, GPa 12
75
Tensile Strength: Ultimate (UTS), MPa 41
970 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 41
270
Melting Completion (Liquidus), °C 220
1480
Melting Onset (Solidus), °C 180
1430
Specific Heat Capacity, J/kg-K 180
450
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 9.4
4.9
Embodied Energy, MJ/kg 160
65
Embodied Water, L/kg 830
140

Common Calculations

Stiffness to Weight: Axial, points 2.0
13
Stiffness to Weight: Bending, points 12
23
Strength to Weight: Axial, points 1.2
33 to 61
Strength to Weight: Bending, points 2.8
26 to 40
Thermal Shock Resistance, points 3.5
29 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.050 to 0.15
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0 to 0.0030
Cadmium (Cd), % 0 to 0.0020
0
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
7.0 to 8.5
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
66.3 to 71.1
Lead (Pb), % 48.8 to 50.5
0
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.010
17 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 49.5 to 50.5
0
Titanium (Ti), % 0
0.3 to 0.5
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0 to 0.020