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Solder Alloy 703 vs. Grade 702C Zirconium

Both solder alloy 703 and grade 702C zirconium are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
180
Elastic (Young's, Tensile) Modulus, GPa 51
97
Elongation at Break, % 35
13
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
36
Tensile Strength: Ultimate (UTS), MPa 57
430

Thermal Properties

Latent Heat of Fusion, J/g 61
250
Specific Heat Capacity, J/kg-K 220
270
Thermal Conductivity, W/m-K 55
22
Thermal Expansion, µm/m-K 22
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.4
6.7

Common Calculations

Stiffness to Weight: Axial, points 3.8
8.1
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
18
Strength to Weight: Bending, points 4.4
19
Thermal Diffusivity, mm2/s 33
12
Thermal Shock Resistance, points 3.7
55

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), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.3
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.010
Silver (Ag), % 3.3 to 3.7
0
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
94.8 to 100