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AISI 334 Stainless Steel vs. Solder Alloy 121

AISI 334 stainless steel belongs to the iron alloys classification, while solder alloy 121 belongs to the otherwise unclassified metals. There are 21 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 AISI 334 stainless steel and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
11
Elastic (Young's, Tensile) Modulus, GPa 200
21
Elongation at Break, % 34
25
Poisson's Ratio 0.28
0.43
Shear Modulus, GPa 77
7.5
Tensile Strength: Ultimate (UTS), MPa 540
32

Thermal Properties

Latent Heat of Fusion, J/g 290
29
Melting Completion (Liquidus), °C 1410
290
Melting Onset (Solidus), °C 1370
230
Specific Heat Capacity, J/kg-K 480
140
Thermal Expansion, µm/m-K 16
28

Otherwise Unclassified Properties

Base Metal Price, % relative 22
80
Density, g/cm3 7.9
11
Embodied Carbon, kg CO2/kg material 4.1
5.6
Embodied Energy, MJ/kg 59
93
Embodied Water, L/kg 170
580

Common Calculations

Stiffness to Weight: Axial, points 14
1.1
Stiffness to Weight: Bending, points 25
8.6
Strength to Weight: Axial, points 19
0.84
Strength to Weight: Bending, points 19
2.1
Thermal Shock Resistance, points 12
3.9

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 55.7 to 62.7
0 to 0.020
Lead (Pb), % 0
83.4 to 85.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 19 to 21
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
14.5 to 15.5
Titanium (Ti), % 0.15 to 0.6
0
Zinc (Zn), % 0
0 to 0.0010