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Solder Alloy 137 vs. SAE-AISI M34 Steel

Solder alloy 137 belongs to the otherwise unclassified metals classification, while SAE-AISI M34 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 137 and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
200
Poisson's Ratio 0.42
0.29
Shear Modulus, GPa 8.3
77
Tensile Strength: Ultimate (UTS), MPa 34
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 33
270
Melting Completion (Liquidus), °C 270
1540
Melting Onset (Solidus), °C 190
1500
Specific Heat Capacity, J/kg-K 150
450
Thermal Conductivity, W/m-K 38
24
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 85
32
Density, g/cm3 10
8.2
Embodied Carbon, kg CO2/kg material 6.3
9.5
Embodied Energy, MJ/kg 100
140
Embodied Water, L/kg 660
150

Common Calculations

Stiffness to Weight: Axial, points 1.3
14
Stiffness to Weight: Bending, points 9.2
24
Strength to Weight: Axial, points 0.9
27 to 74
Strength to Weight: Bending, points 2.2
23 to 46
Thermal Diffusivity, mm2/s 25
6.7
Thermal Shock Resistance, points 3.7
25 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 3.0
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
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 to 0.080
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), % 75.9 to 80
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), % 19.5 to 20.5
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3
Zinc (Zn), % 0 to 0.0010
0