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Solder Alloy 601 vs. SAE-AISI 4137 Steel

Solder alloy 601 belongs to the otherwise unclassified metals classification, while SAE-AISI 4137 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 601 and the bottom bar is SAE-AISI 4137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 5.0
170
Elastic (Young's, Tensile) Modulus, GPa 31
190
Elongation at Break, % 83
23
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 11
73
Tensile Strength: Ultimate (UTS), MPa 12
550

Thermal Properties

Latent Heat of Fusion, J/g 43
250
Melting Completion (Liquidus), °C 120
1460
Melting Onset (Solidus), °C 120
1420
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 34
45
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.3

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Water, L/kg 1330
51

Common Calculations

Stiffness to Weight: Axial, points 2.3
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 0.45
20
Strength to Weight: Bending, points 1.6
19
Thermal Diffusivity, mm2/s 20
12
Thermal Shock Resistance, points 1.2
18

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
0.35 to 0.4
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 51 to 52.5
0
Iron (Fe), % 0 to 0.020
96.9 to 97.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.7 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
0