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C68400 Brass vs. Grade N7M Nickel

C68400 brass belongs to the copper alloys classification, while grade N7M nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 18
22
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
85
Tensile Strength: Ultimate (UTS), MPa 540
590
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 130
900
Melting Completion (Liquidus), °C 840
1650
Melting Onset (Solidus), °C 820
1590
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 20
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
75
Density, g/cm3 7.9
9.3
Embodied Carbon, kg CO2/kg material 2.7
16
Embodied Energy, MJ/kg 47
200
Embodied Water, L/kg 320
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
220
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
22
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
0 to 1.0
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
0 to 3.0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
30 to 33
Nickel (Ni), % 0 to 0.5
60.9 to 70
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0