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C26000 Brass vs. Grade 31 Titanium

C26000 brass belongs to the copper alloys classification, while grade 31 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C26000 brass and the bottom bar is grade 31 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.5 to 66
20
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
41
Shear Strength, MPa 230 to 390
320
Tensile Strength: Ultimate (UTS), MPa 320 to 680
510
Tensile Strength: Yield (Proof), MPa 110 to 570
450

Thermal Properties

Latent Heat of Fusion, J/g 180
420
Maximum Temperature: Mechanical, °C 140
320
Melting Completion (Liquidus), °C 950
1660
Melting Onset (Solidus), °C 920
1610
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 20
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 31
6.9

Otherwise Unclassified Properties

Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 2.7
36
Embodied Energy, MJ/kg 45
600
Embodied Water, L/kg 320
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
99
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
940
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 11 to 23
32
Strength to Weight: Bending, points 13 to 21
32
Thermal Diffusivity, mm2/s 38
8.5
Thermal Shock Resistance, points 11 to 23
39

Alloy Composition

Bismuth (Bi), % 0 to 0.0059
0
Carbon (C), % 0
0 to 0.080
Cobalt (Co), % 0
0.2 to 0.8
Copper (Cu), % 68.5 to 71.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.050
0 to 0.3
Lead (Pb), % 0 to 0.070
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.040 to 0.080
Titanium (Ti), % 0
97.9 to 99.76
Zinc (Zn), % 28.1 to 31.5
0
Residuals, % 0
0 to 0.4