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Solder Alloy 301 vs. S44700 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while S44700 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
200
Elastic (Young's, Tensile) Modulus, GPa 40
210
Elongation at Break, % 51
23
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 15
82
Tensile Strength: Ultimate (UTS), MPa 55
600
Tensile Strength: Yield (Proof), MPa 49
450

Thermal Properties

Latent Heat of Fusion, J/g 55
300
Melting Completion (Liquidus), °C 140
1460
Melting Onset (Solidus), °C 140
1410
Specific Heat Capacity, J/kg-K 160
480
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 13
3.6
Embodied Energy, MJ/kg 210
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
120
Resilience: Unit (Modulus of Resilience), kJ/m3 30
480
Stiffness to Weight: Axial, points 2.5
15
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
21
Strength to Weight: Bending, points 3.7
20
Thermal Shock Resistance, points 7.2
19

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), % 56.5 to 59
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0 to 0.050
0 to 0.15
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
64.9 to 68.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0 to 0.010
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0