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C14181 Copper vs. ASTM A227 Spring Steel

C14181 copper belongs to the copper alloys classification, while ASTM A227 spring steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C14181 copper and the bottom bar is ASTM A227 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
12
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
72
Tensile Strength: Ultimate (UTS), MPa 210
1720 to 2220
Tensile Strength: Yield (Proof), MPa 130
1430 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1080
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
52
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 310
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
200 to 260
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.5
61 to 79
Strength to Weight: Bending, points 8.8
41 to 48
Thermal Diffusivity, mm2/s 110
14
Thermal Shock Resistance, points 7.4
55 to 71

Alloy Composition

Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0 to 0.0050
0.45 to 0.85
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
97.4 to 99.1
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.3 to 1.3
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.0020
0