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Grade M30C Nickel vs. C68800 Brass

Grade M30C nickel belongs to the nickel alloys classification, while C68800 brass belongs to the copper alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 29
2.0 to 36
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 61
41
Tensile Strength: Ultimate (UTS), MPa 510
570 to 890
Tensile Strength: Yield (Proof), MPa 250
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 900
160
Melting Completion (Liquidus), °C 1290
960
Melting Onset (Solidus), °C 1240
950
Specific Heat Capacity, J/kg-K 430
400
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
18
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
20

Otherwise Unclassified Properties

Base Metal Price, % relative 60
26
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 9.5
2.8
Embodied Energy, MJ/kg 140
48
Embodied Water, L/kg 250
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 200
710 to 2860
Stiffness to Weight: Axial, points 10
7.3
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 16
19 to 30
Strength to Weight: Bending, points 16
19 to 25
Thermal Diffusivity, mm2/s 5.7
12
Thermal Shock Resistance, points 18
19 to 30

Alloy Composition


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Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0 to 0.3
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 26 to 33
70.8 to 75.5
Iron (Fe), % 0 to 3.5
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 56.6 to 72
0
Niobium (Nb), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
21.3 to 24.1
Residuals, % 0
0 to 0.5