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AWS ERTi-7 vs. C27000 Brass

AWS ERTi-7 belongs to the titanium alloys classification, while C27000 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 340
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 420
180
Maximum Temperature: Mechanical, °C 320
130
Melting Completion (Liquidus), °C 1670
930
Melting Onset (Solidus), °C 1620
900
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
30

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 47
2.7
Embodied Energy, MJ/kg 800
45
Embodied Water, L/kg 470
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 21
13 to 22
Strength to Weight: Bending, points 24
14 to 21
Thermal Diffusivity, mm2/s 8.8
37
Thermal Shock Resistance, points 26
12 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
63 to 68.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Titanium (Ti), % 99.417 to 99.8
0
Zinc (Zn), % 0
31 to 37
Residuals, % 0
0 to 0.3