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CR022A Copper vs. ASTM A369 Grade FP21

CR022A copper belongs to the copper alloys classification, while ASTM A369 grade FP21 belongs to the iron 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.

For each property being compared, the top bar is CR022A copper and the bottom bar is ASTM A369 grade FP21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
20
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 230
470
Tensile Strength: Yield (Proof), MPa 140
240

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
470
Melting Completion (Liquidus), °C 1090
1470
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.0
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.8
Embodied Energy, MJ/kg 41
23
Embodied Water, L/kg 310
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
80
Resilience: Unit (Modulus of Resilience), kJ/m3 83
150
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
17
Strength to Weight: Bending, points 9.3
17
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 8.1
14

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
2.7 to 3.4
Copper (Cu), % 99.99 to 99.999
0
Iron (Fe), % 0 to 0.0010
94.3 to 96.2
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0.3 to 0.6
Molybdenum (Mo), % 0
0.8 to 1.1
Nickel (Ni), % 0 to 0.0010
0
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.025
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.025
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0