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C32000 Brass vs. Grade 21 Titanium

C32000 brass belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 27 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 C32000 brass and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 6.8 to 29
9.0 to 17
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 41
51
Shear Strength, MPa 180 to 280
550 to 790
Tensile Strength: Ultimate (UTS), MPa 270 to 470
890 to 1340
Tensile Strength: Yield (Proof), MPa 78 to 390
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 190
410
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 1020
1740
Melting Onset (Solidus), °C 990
1690
Specific Heat Capacity, J/kg-K 380
500
Thermal Conductivity, W/m-K 160
7.5
Thermal Expansion, µm/m-K 19
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
60
Density, g/cm3 8.7
5.4
Embodied Carbon, kg CO2/kg material 2.6
32
Embodied Energy, MJ/kg 42
490
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
110 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
2760 to 5010
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
32
Strength to Weight: Axial, points 8.8 to 15
46 to 69
Strength to Weight: Bending, points 11 to 16
38 to 50
Thermal Diffusivity, mm2/s 47
2.8
Thermal Shock Resistance, points 9.5 to 16
66 to 100

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 83.5 to 86.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 1.5 to 2.2
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0
0.15 to 0.25
Titanium (Ti), % 0
76 to 81.2
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0
0 to 0.4

Comparable Variants