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Grade 7 Titanium vs. C99400 Brass

Grade 7 titanium belongs to the titanium alloys classification, while C99400 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 7 titanium and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 38
44
Tensile Strength: Ultimate (UTS), MPa 420
460 to 550
Tensile Strength: Yield (Proof), MPa 340
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 420
230
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
1070
Melting Onset (Solidus), °C 1610
1020
Specific Heat Capacity, J/kg-K 540
400
Thermal Expansion, µm/m-K 9.2
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
17
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
17

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.7
Embodied Carbon, kg CO2/kg material 47
2.8
Embodied Energy, MJ/kg 800
45
Embodied Water, L/kg 470
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 560
230 to 590
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 26
15 to 17
Strength to Weight: Bending, points 28
15 to 17
Thermal Shock Resistance, points 31
16 to 19

Alloy Composition


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Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
83.5 to 96.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
1.0 to 3.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0.5 to 2.0
Titanium (Ti), % 98.7 to 99.88
0
Zinc (Zn), % 0
0.5 to 5.0
Residuals, % 0 to 0.4
0 to 0.3