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C84000 Brass vs. Nickel 684

C84000 brass belongs to the copper alloys classification, while nickel 684 belongs to the nickel alloys. There are 25 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 C84000 brass and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
310
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 27
11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
76
Tensile Strength: Ultimate (UTS), MPa 250
1190
Tensile Strength: Yield (Proof), MPa 140
800

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Maximum Temperature: Mechanical, °C 170
1000
Melting Completion (Liquidus), °C 1040
1370
Melting Onset (Solidus), °C 940
1320
Specific Heat Capacity, J/kg-K 380
470
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
75
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 49
140
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
120
Resilience: Unit (Modulus of Resilience), kJ/m3 83
1610
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 8.2
40
Strength to Weight: Bending, points 10
30
Thermal Shock Resistance, points 9.0
34

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
2.5 to 3.3
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0.0030 to 0.010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 82 to 89
0 to 0.15
Iron (Fe), % 0 to 0.4
0 to 4.0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0.5 to 2.0
42.7 to 64
Phosphorus (P), % 0 to 0.050
0 to 0.015
Silicon (Si), % 0 to 0.0050
0 to 0.75
Sulfur (S), % 0.1 to 0.65
0 to 0.015
Tin (Sn), % 2.0 to 4.0
0
Titanium (Ti), % 0
2.5 to 3.3
Zinc (Zn), % 5.0 to 14
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0