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Grade 12 Titanium vs. C32000 Brass

Grade 12 titanium belongs to the titanium alloys classification, while C32000 brass belongs to the copper alloys. There are 29 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 12 titanium and the bottom bar is C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
6.8 to 29
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
41
Shear Strength, MPa 330
180 to 280
Tensile Strength: Ultimate (UTS), MPa 530
270 to 470
Tensile Strength: Yield (Proof), MPa 410
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 420
190
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
1020
Melting Onset (Solidus), °C 1610
990
Specific Heat Capacity, J/kg-K 540
380
Thermal Conductivity, W/m-K 21
160
Thermal Expansion, µm/m-K 9.6
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
36
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
37

Otherwise Unclassified Properties

Base Metal Price, % relative 37
28
Density, g/cm3 4.5
8.7
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 500
42
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 770
28 to 680
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 32
8.8 to 15
Strength to Weight: Bending, points 32
11 to 16
Thermal Diffusivity, mm2/s 8.5
47
Thermal Shock Resistance, points 37
9.5 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
83.5 to 86.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
1.5 to 2.2
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.6 to 0.9
0 to 0.25
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Titanium (Ti), % 97.6 to 99.2
0
Zinc (Zn), % 0
10.6 to 15
Residuals, % 0
0 to 0.4