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Solder Alloy 703 vs. AISI 334 Stainless Steel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while AISI 334 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
180
Elastic (Young's, Tensile) Modulus, GPa 51
200
Elongation at Break, % 35
34
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 57
540

Thermal Properties

Latent Heat of Fusion, J/g 61
290
Melting Completion (Liquidus), °C 220
1410
Melting Onset (Solidus), °C 220
1370
Specific Heat Capacity, J/kg-K 220
480
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.9
Embodied Carbon, kg CO2/kg material 18
4.1
Embodied Energy, MJ/kg 300
59

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
19
Strength to Weight: Bending, points 4.4
19
Thermal Shock Resistance, points 3.7
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.15 to 0.6
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
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
55.7 to 62.7
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
19 to 21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 95.8 to 96.7
0
Titanium (Ti), % 0
0.15 to 0.6
Zinc (Zn), % 0 to 0.0010
0