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C82700 Copper vs. ASTM A225 Steel

C82700 copper belongs to the copper alloys classification, while ASTM A225 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.8
21 to 23
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 46
73
Tensile Strength: Ultimate (UTS), MPa 1200
620 to 830
Tensile Strength: Yield (Proof), MPa 1020
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 300
400
Melting Completion (Liquidus), °C 950
1460
Melting Onset (Solidus), °C 860
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 21
8.4

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 12
1.8
Embodied Energy, MJ/kg 180
24 to 25
Embodied Water, L/kg 310
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
580 to 820
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 38
22 to 29
Strength to Weight: Bending, points 29
21 to 25
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 41
18 to 24