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C14200 Copper vs. ASTM A387 Grade 12 Steel

C14200 copper belongs to the copper alloys classification, while ASTM A387 grade 12 steel belongs to the iron alloys. There are 30 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 C14200 copper and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0 to 45
25
Fatigue Strength, MPa 76 to 130
190 to 230
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Shear Strength, MPa 150 to 200
300 to 330
Tensile Strength: Ultimate (UTS), MPa 220 to 370
470 to 520
Tensile Strength: Yield (Proof), MPa 75 to 340
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
430
Melting Completion (Liquidus), °C 1080
1470
Melting Onset (Solidus), °C 1030
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 190
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 45
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.8
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 41
21
Embodied Water, L/kg 310
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 83
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 500
180 to 250
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 11
16 to 18
Strength to Weight: Bending, points 9.1 to 13
17 to 18
Thermal Diffusivity, mm2/s 56
12
Thermal Shock Resistance, points 7.9 to 13
14 to 15

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Carbon (C), % 0
0.050 to 0.17
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 99.4 to 99.835
0
Iron (Fe), % 0
97 to 98.2
Manganese (Mn), % 0
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.6
Phosphorus (P), % 0.015 to 0.040
0 to 0.025
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0
0 to 0.025