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ASTM A227 Spring Steel vs. C17510 Copper

ASTM A227 spring steel belongs to the iron alloys classification, while C17510 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is C17510 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12
5.4 to 37
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
44
Shear Strength, MPa 1030 to 1330
210 to 500
Tensile Strength: Ultimate (UTS), MPa 1720 to 2220
310 to 860
Tensile Strength: Yield (Proof), MPa 1430 to 1850
120 to 750

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 400
220
Melting Completion (Liquidus), °C 1450
1070
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 52
210
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
22 to 54
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
23 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
49
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
4.2
Embodied Energy, MJ/kg 19
65
Embodied Water, L/kg 46
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 260
39 to 92
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 61 to 79
9.7 to 27
Strength to Weight: Bending, points 41 to 48
11 to 23
Thermal Diffusivity, mm2/s 14
60
Thermal Shock Resistance, points 55 to 71
11 to 30

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.2 to 0.6
Carbon (C), % 0.45 to 0.85
0
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
95.9 to 98.4
Iron (Fe), % 97.4 to 99.1
0 to 0.1
Manganese (Mn), % 0.3 to 1.3
0
Nickel (Ni), % 0
1.4 to 2.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.15 to 0.35
0 to 0.2
Sulfur (S), % 0 to 0.050
0
Residuals, % 0
0 to 0.5

Comparable Variants