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AWS ERTi-12 vs. CR022A Copper

AWS ERTi-12 belongs to the titanium alloys classification, while CR022A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is CR022A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 12
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 480
230
Tensile Strength: Yield (Proof), MPa 340
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 7.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 510
41
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
31
Resilience: Unit (Modulus of Resilience), kJ/m3 550
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 30
7.1
Strength to Weight: Bending, points 30
9.3
Thermal Diffusivity, mm2/s 8.7
110
Thermal Shock Resistance, points 37
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 99.999
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0
0 to 0.00050
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0 to 0.0010
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0.0010 to 0.0060
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), % 99.147 to 99.66
0
Zinc (Zn), % 0
0 to 0.00010