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C69400 Brass vs. AWS ERTi-7

C69400 brass belongs to the copper alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 27 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 C69400 brass and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
20
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 570
340
Tensile Strength: Yield (Proof), MPa 270
280

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 920
1670
Melting Onset (Solidus), °C 820
1620
Specific Heat Capacity, J/kg-K 410
540
Thermal Conductivity, W/m-K 26
21
Thermal Expansion, µm/m-K 18
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 2.7
47
Embodied Energy, MJ/kg 44
800
Embodied Water, L/kg 300
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
64
Resilience: Unit (Modulus of Resilience), kJ/m3 340
360
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 7.7
8.8
Thermal Shock Resistance, points 20
26

Alloy Composition

Carbon (C), % 0
0 to 0.030
Copper (Cu), % 80 to 83
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.2
0 to 0.12
Lead (Pb), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Silicon (Si), % 3.5 to 4.5
0
Titanium (Ti), % 0
99.417 to 99.8
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0