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AWS ERTi-7 vs. CR009A Copper

AWS ERTi-7 belongs to the titanium alloys classification, while CR009A copper belongs to the copper alloys. There are 27 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-7 and the bottom bar is CR009A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 340
230
Tensile Strength: Yield (Proof), MPa 280
140

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1670
1090
Melting Onset (Solidus), °C 1620
1040
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
380
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
100
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
100

Otherwise Unclassified Properties

Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 47
2.6
Embodied Energy, MJ/kg 800
41
Embodied Water, L/kg 470
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
31
Resilience: Unit (Modulus of Resilience), kJ/m3 360
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 21
7.1
Strength to Weight: Bending, points 24
9.3
Thermal Diffusivity, mm2/s 8.8
110
Thermal Shock Resistance, points 26
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0
0 to 0.00010
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
99.99 to 100
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0
0 to 0.00050
Nickel (Ni), % 0
0 to 0.0010
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.0030
Selenium (Se), % 0
0 to 0.00020
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0
0 to 0.00020
Titanium (Ti), % 99.417 to 99.8
0
Zinc (Zn), % 0
0 to 0.00010