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Grade M30H Nickel vs. C68400 Brass

Grade M30H nickel belongs to the nickel alloys classification, while C68400 brass belongs to the copper alloys. They have a modest 34% 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 (3, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 11
18
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 61
41
Tensile Strength: Ultimate (UTS), MPa 770
540
Tensile Strength: Yield (Proof), MPa 470
310

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Maximum Temperature: Mechanical, °C 900
130
Melting Completion (Liquidus), °C 1250
840
Melting Onset (Solidus), °C 1200
820
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 22
66
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
87
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
99

Otherwise Unclassified Properties

Base Metal Price, % relative 50
23
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 7.7
2.7
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 250
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
81
Resilience: Unit (Modulus of Resilience), kJ/m3 700
460
Stiffness to Weight: Axial, points 10
7.5
Stiffness to Weight: Bending, points 21
20
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 5.7
21
Thermal Shock Resistance, points 27
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Carbon (C), % 0 to 0.3
0
Copper (Cu), % 27 to 33
59 to 64
Iron (Fe), % 0 to 3.5
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.5
0.2 to 1.5
Nickel (Ni), % 57.9 to 70.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0.030 to 0.3
Silicon (Si), % 2.7 to 3.7
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5