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CC750S Brass vs. Titanium 4-4-2

CC750S brass belongs to the copper alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC750S brass and the bottom bar is titanium 4-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
10
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 200
1150 to 1250
Tensile Strength: Yield (Proof), MPa 80
1030 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 130
310
Melting Completion (Liquidus), °C 860
1610
Melting Onset (Solidus), °C 810
1560
Specific Heat Capacity, J/kg-K 380
540
Thermal Conductivity, W/m-K 110
6.7
Thermal Expansion, µm/m-K 20
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
39
Density, g/cm3 8.2
4.7
Embodied Carbon, kg CO2/kg material 2.8
30
Embodied Energy, MJ/kg 46
480
Embodied Water, L/kg 330
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 30
4700 to 5160
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
34
Strength to Weight: Axial, points 6.8
68 to 74
Strength to Weight: Bending, points 9.3
52 to 55
Thermal Diffusivity, mm2/s 35
2.6
Thermal Shock Resistance, points 6.7
86 to 93

Alloy Composition

Aluminum (Al), % 0 to 0.1
3.0 to 5.0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 62 to 67
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.2
Lead (Pb), % 1.0 to 3.0
0
Manganese (Mn), % 0 to 0.2
0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.050
0.3 to 0.7
Tin (Sn), % 0 to 1.5
1.5 to 2.5
Titanium (Ti), % 0
85.8 to 92.2
Zinc (Zn), % 26.3 to 36
0
Residuals, % 0
0 to 0.4