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AISI 439 Stainless Steel vs. Solder Alloy 301

AISI 439 stainless steel belongs to the iron alloys classification, while solder alloy 301 belongs to the otherwise unclassified metals. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is solder alloy 301.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
23
Elastic (Young's, Tensile) Modulus, GPa 200
40
Elongation at Break, % 23
51
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
15
Tensile Strength: Ultimate (UTS), MPa 490
55
Tensile Strength: Yield (Proof), MPa 250
49

Thermal Properties

Latent Heat of Fusion, J/g 280
55
Melting Completion (Liquidus), °C 1510
140
Melting Onset (Solidus), °C 1430
140
Specific Heat Capacity, J/kg-K 480
160
Thermal Conductivity, W/m-K 25
19
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
4.9

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.3
13
Embodied Energy, MJ/kg 34
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
27
Resilience: Unit (Modulus of Resilience), kJ/m3 160
30
Stiffness to Weight: Axial, points 14
2.5
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 18
1.8
Strength to Weight: Bending, points 18
3.7
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 16
7.2

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
56.5 to 59
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 77.1 to 82.8
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
41 to 43
Titanium (Ti), % 0.2 to 1.1
0
Zinc (Zn), % 0
0 to 0.0010