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C18400 Copper vs. ASTM B817 Type I

C18400 copper belongs to the copper alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C18400 copper and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 13 to 50
4.0 to 13
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 270 to 490
770 to 960
Tensile Strength: Yield (Proof), MPa 110 to 480
700 to 860

Thermal Properties

Latent Heat of Fusion, J/g 210
410
Maximum Temperature: Mechanical, °C 200
340
Melting Completion (Liquidus), °C 1080
1600
Melting Onset (Solidus), °C 1070
1550
Specific Heat Capacity, J/kg-K 390
560
Thermal Conductivity, W/m-K 320
7.1
Thermal Expansion, µm/m-K 17
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 8.9
4.4
Embodied Carbon, kg CO2/kg material 2.6
38
Embodied Energy, MJ/kg 41
610
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 120
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 980
2310 to 3540
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 8.5 to 15
48 to 60
Strength to Weight: Bending, points 10 to 16
42 to 49
Thermal Diffusivity, mm2/s 94
2.9
Thermal Shock Resistance, points 9.6 to 17
54 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 97.2 to 99.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.15
0 to 0.4
Lithium (Li), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.1
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Titanium (Ti), % 0
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0
0 to 0.4