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Solder Alloy 716 vs. ASTM A229 Spring Steel

Solder alloy 716 belongs to the otherwise unclassified metals classification, while ASTM A229 spring steel belongs to the iron alloys. There are 23 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 solder alloy 716 and the bottom bar is ASTM A229 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13
490 to 550
Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 13
14
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
72
Tensile Strength: Ultimate (UTS), MPa 39
1690 to 1890

Thermal Properties

Latent Heat of Fusion, J/g 60
250
Melting Completion (Liquidus), °C 230
1450
Melting Onset (Solidus), °C 220
1410
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 60
50
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 16
8.3

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 16
1.4
Embodied Energy, MJ/kg 270
19

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.5
60 to 67
Strength to Weight: Bending, points 3.5
40 to 43
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 2.5
54 to 60

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
0.55 to 0.85
Copper (Cu), % 0.3 to 0.7
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
97.5 to 99
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.3 to 1.2
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 97.6 to 98.9
0
Zinc (Zn), % 0 to 0.0010
0