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EN 1.4729 Stainless Steel vs. Solder Alloy 401

EN 1.4729 stainless steel belongs to the iron alloys classification, while solder alloy 401 belongs to the otherwise unclassified metals. There are 20 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 EN 1.4729 stainless steel and the bottom bar is solder alloy 401.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
9.0
Elastic (Young's, Tensile) Modulus, GPa 190
50
Elongation at Break, % 15
21
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 75
19

Thermal Properties

Latent Heat of Fusion, J/g 300
60
Melting Completion (Liquidus), °C 1420
230
Melting Onset (Solidus), °C 1380
230
Specific Heat Capacity, J/kg-K 490
220
Thermal Conductivity, W/m-K 24
66
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
14
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
17

Otherwise Unclassified Properties

Density, g/cm3 7.6
7.3
Embodied Carbon, kg CO2/kg material 2.1
15
Embodied Energy, MJ/kg 29
250
Embodied Water, L/kg 100
1200

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 6.5
40

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.3 to 0.5
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0.5 to 0.9
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 80.4 to 86.7
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
98.5 to 99.5
Zinc (Zn), % 0
0 to 0.0010