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Solder Alloy 301 vs. EN 1.4938 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while EN 1.4938 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
200
Elongation at Break, % 51
16 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
76
Tensile Strength: Ultimate (UTS), MPa 55
870 to 1030
Tensile Strength: Yield (Proof), MPa 49
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 55
270
Melting Completion (Liquidus), °C 140
1460
Melting Onset (Solidus), °C 140
1420
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 19
30
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
3.3

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 13
3.3
Embodied Energy, MJ/kg 210
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 30
1050 to 1920
Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
31 to 37
Strength to Weight: Bending, points 3.7
26 to 29
Thermal Diffusivity, mm2/s 13
8.1
Thermal Shock Resistance, points 7.2
30 to 35

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
0.080 to 0.15
Chromium (Cr), % 0
11 to 12.5
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
80.5 to 84.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.010
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 41 to 43
0
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 0.0010
0