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ASTM A229 Spring Steel vs. C14300 Copper

ASTM A229 spring steel belongs to the iron alloys classification, while C14300 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A229 spring steel and the bottom bar is C14300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 14
2.0 to 42
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Shear Strength, MPa 1020 to 1140
150 to 260
Tensile Strength: Ultimate (UTS), MPa 1690 to 1890
220 to 460
Tensile Strength: Yield (Proof), MPa 1100 to 1230
76 to 430

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
220
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 50
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
96
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
96

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
9.0 to 72
Resilience: Unit (Modulus of Resilience), kJ/m3 3260 to 4080
25 to 810
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 60 to 67
6.8 to 14
Strength to Weight: Bending, points 40 to 43
9.1 to 15
Thermal Diffusivity, mm2/s 14
110
Thermal Shock Resistance, points 54 to 60
7.8 to 16

Alloy Composition

Cadmium (Cd), % 0
0.050 to 0.15
Carbon (C), % 0.55 to 0.85
0
Copper (Cu), % 0
99.9 to 99.95
Iron (Fe), % 97.5 to 99
0
Manganese (Mn), % 0.3 to 1.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.050
0

Comparable Variants