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Solder Alloy 401 vs. Grade 350 Maraging Steel

Solder alloy 401 belongs to the otherwise unclassified metals classification, while grade 350 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 401 and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
190
Elongation at Break, % 21
4.1 to 18
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 29
1140 to 2420

Thermal Properties

Latent Heat of Fusion, J/g 60
270
Melting Completion (Liquidus), °C 230
1470
Melting Onset (Solidus), °C 230
1420
Specific Heat Capacity, J/kg-K 220
450
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.2
Embodied Carbon, kg CO2/kg material 15
5.6
Embodied Energy, MJ/kg 250
74
Embodied Water, L/kg 1200
160

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 1.1
38 to 82
Strength to Weight: Bending, points 2.9
29 to 49
Thermal Shock Resistance, points 1.9
35 to 74

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.050 to 0.15
Antimony (Sb), % 0 to 0.1
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
11.5 to 12.5
Copper (Cu), % 0.5 to 0.9
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
61.2 to 64.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.010
18 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), % 98.5 to 99.5
0
Titanium (Ti), % 0
1.3 to 1.6
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0 to 0.020