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C21000 Brass vs. Grade N7M Nickel

C21000 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 (8, in this case) are not shown.

For each property being compared, the top bar is C21000 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, % 2.9 to 50
22
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
85
Tensile Strength: Ultimate (UTS), MPa 240 to 450
590
Tensile Strength: Yield (Proof), MPa 69 to 440
310

Thermal Properties

Latent Heat of Fusion, J/g 200
320
Maximum Temperature: Mechanical, °C 190
900
Melting Completion (Liquidus), °C 1070
1650
Melting Onset (Solidus), °C 1050
1590
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 18
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
75
Density, g/cm3 8.8
9.3
Embodied Carbon, kg CO2/kg material 2.6
16
Embodied Energy, MJ/kg 42
200
Embodied Water, L/kg 310
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
220
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 7.4 to 14
18
Strength to Weight: Bending, points 9.6 to 15
17
Thermal Shock Resistance, points 8.1 to 15
19

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
0 to 1.0
Copper (Cu), % 94 to 96
0
Iron (Fe), % 0 to 0.050
0 to 3.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
30 to 33
Nickel (Ni), % 0
60.9 to 70
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 3.7 to 6.0
0
Residuals, % 0 to 0.2
0