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C38000 Brass vs. Grade Ti-Pd18 Titanium

C38000 brass belongs to the copper alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
17
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 380
710
Tensile Strength: Yield (Proof), MPa 120
540

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 110
330
Melting Completion (Liquidus), °C 800
1640
Melting Onset (Solidus), °C 760
1590
Specific Heat Capacity, J/kg-K 380
550
Thermal Conductivity, W/m-K 110
8.2
Thermal Expansion, µm/m-K 21
9.1

Otherwise Unclassified Properties

Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 2.7
41
Embodied Energy, MJ/kg 46
670
Embodied Water, L/kg 330
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
110
Resilience: Unit (Modulus of Resilience), kJ/m3 74
1380
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 13
44
Strength to Weight: Bending, points 14
39
Thermal Diffusivity, mm2/s 37
3.3
Thermal Shock Resistance, points 13
52

Alloy Composition

Aluminum (Al), % 0 to 0.5
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 55 to 60
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.35
0 to 0.25
Lead (Pb), % 1.5 to 2.5
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0
0 to 0.4