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CR022A Copper vs. ASTM A372 Grade J Steel

CR022A copper belongs to the copper alloys classification, while ASTM A372 grade J steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR022A copper and the bottom bar is ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
17 to 22
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 230
650 to 1020
Tensile Strength: Yield (Proof), MPa 140
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 310
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 83
500 to 1930
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
23 to 36
Strength to Weight: Bending, points 9.3
21 to 29
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 8.1
19 to 30

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
0.35 to 0.5
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 99.99 to 99.999
0
Iron (Fe), % 0 to 0.0010
96.7 to 97.8
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0.75 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.0010
0
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.015
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.010
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0