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Solder Alloy 401 vs. SAE-AISI M34 Steel

Solder alloy 401 belongs to the otherwise unclassified metals classification, while SAE-AISI M34 steel belongs to the iron alloys. There are 20 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 solder alloy 401 and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
200
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 29
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 60
270
Melting Completion (Liquidus), °C 230
1540
Melting Onset (Solidus), °C 230
1500
Specific Heat Capacity, J/kg-K 220
450
Thermal Conductivity, W/m-K 66
24
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.2
Embodied Carbon, kg CO2/kg material 15
9.5
Embodied Energy, MJ/kg 250
140
Embodied Water, L/kg 1200
150

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.1
27 to 74
Strength to Weight: Bending, points 2.9
23 to 46
Thermal Diffusivity, mm2/s 40
6.7
Thermal Shock Resistance, points 1.9
25 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
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
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0.5 to 0.9
0 to 0.25
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
71.3 to 76.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.2
Nickel (Ni), % 0 to 0.010
0 to 0.3
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), % 98.5 to 99.5
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3
Zinc (Zn), % 0 to 0.0010
0