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AWS ERTi-12 vs. C31400 Bronze

AWS ERTi-12 belongs to the titanium alloys classification, while C31400 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 12
6.8 to 29
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 480
270 to 420
Tensile Strength: Yield (Proof), MPa 340
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 420
200
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1670
1040
Melting Onset (Solidus), °C 1620
1010
Specific Heat Capacity, J/kg-K 540
380
Thermal Conductivity, W/m-K 21
180
Thermal Expansion, µm/m-K 8.7
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
42
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
43

Otherwise Unclassified Properties

Base Metal Price, % relative 37
29
Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 510
42
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 550
28 to 420
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 30
8.7 to 13
Strength to Weight: Bending, points 30
11 to 14
Thermal Diffusivity, mm2/s 8.7
54
Thermal Shock Resistance, points 37
9.6 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
87.5 to 90.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0 to 0.7
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Titanium (Ti), % 99.147 to 99.66
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4