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Grade N7M Nickel vs. Solder Alloy 137

Grade N7M nickel belongs to the nickel alloys classification, while solder alloy 137 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is solder alloy 137.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
24
Elongation at Break, % 22
19
Poisson's Ratio 0.31
0.42
Shear Modulus, GPa 85
8.3
Tensile Strength: Ultimate (UTS), MPa 590
34

Thermal Properties

Latent Heat of Fusion, J/g 320
33
Melting Completion (Liquidus), °C 1650
270
Melting Onset (Solidus), °C 1590
190
Specific Heat Capacity, J/kg-K 390
150
Thermal Expansion, µm/m-K 9.9
27

Otherwise Unclassified Properties

Base Metal Price, % relative 75
85
Density, g/cm3 9.3
10
Embodied Carbon, kg CO2/kg material 16
6.3
Embodied Energy, MJ/kg 200
100
Embodied Water, L/kg 270
660

Common Calculations

Stiffness to Weight: Axial, points 13
1.3
Stiffness to Weight: Bending, points 22
9.2
Strength to Weight: Axial, points 18
0.9
Strength to Weight: Bending, points 17
2.2
Thermal Shock Resistance, points 19
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.5 to 3.0
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 0.070
0
Chromium (Cr), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 3.0
0 to 0.020
Lead (Pb), % 0
75.9 to 80
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
0 to 0.010
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
19.5 to 20.5
Zinc (Zn), % 0
0 to 0.0010