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AWS ERTi-1 vs. C91700 Bronze

AWS ERTi-1 belongs to the titanium alloys classification, while C91700 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-1 and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 24
13
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 240
330
Tensile Strength: Yield (Proof), MPa 170
170

Thermal Properties

Latent Heat of Fusion, J/g 420
190
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1670
1020
Melting Onset (Solidus), °C 1620
850
Specific Heat Capacity, J/kg-K 540
370
Thermal Conductivity, W/m-K 21
71
Thermal Expansion, µm/m-K 8.7
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
10
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 4.5
8.7
Embodied Carbon, kg CO2/kg material 31
3.9
Embodied Energy, MJ/kg 510
63
Embodied Water, L/kg 110
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
35
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 15
11
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 8.7
22
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
84.2 to 87.5
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Nickel (Ni), % 0
1.2 to 2.0
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Titanium (Ti), % 99.773 to 99.97
0
Zinc (Zn), % 0
0 to 0.25