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C14200 Copper vs. ASTM A232 Spring Steel

C14200 copper belongs to the copper alloys classification, while ASTM A232 spring steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C14200 copper and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0 to 45
14
Fatigue Strength, MPa 76 to 130
1040
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Shear Strength, MPa 150 to 200
1090
Tensile Strength: Ultimate (UTS), MPa 220 to 370
1790
Tensile Strength: Yield (Proof), MPa 75 to 340
1610

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1030
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 190
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 45
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.3
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 41
28
Embodied Water, L/kg 310
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 83
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
64
Strength to Weight: Bending, points 9.1 to 13
42
Thermal Diffusivity, mm2/s 56
14
Thermal Shock Resistance, points 7.9 to 13
53

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 99.4 to 99.835
0
Iron (Fe), % 0
96.8 to 97.7
Manganese (Mn), % 0
0.7 to 0.9
Phosphorus (P), % 0.015 to 0.040
0 to 0.020
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.035
Vanadium (V), % 0
0.15 to 0.3