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Solder Alloy 301 vs. EN 1.4945 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while EN 1.4945 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 40
200
Elongation at Break, % 51
19 to 34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
77
Tensile Strength: Ultimate (UTS), MPa 55
640 to 740
Tensile Strength: Yield (Proof), MPa 49
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 55
290
Melting Completion (Liquidus), °C 140
1490
Melting Onset (Solidus), °C 140
1440
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 19
14
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
3.2

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 13
5.0
Embodied Energy, MJ/kg 210
73

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 30
210 to 760
Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.8
22 to 25
Strength to Weight: Bending, points 3.7
20 to 22
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 7.2
14 to 16

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
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
57.9 to 65.7
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 41 to 43
0
Tungsten (W), % 0
2.5 to 3.5
Zinc (Zn), % 0 to 0.0010
0