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ASTM A229 Spring Steel vs. C60800 Bronze

ASTM A229 spring steel belongs to the iron alloys classification, while C60800 bronze 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 C60800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14
55
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
46
Shear Strength, MPa 1020 to 1140
290
Tensile Strength: Ultimate (UTS), MPa 1690 to 1890
390
Tensile Strength: Yield (Proof), MPa 1100 to 1230
150

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 400
210
Melting Completion (Liquidus), °C 1450
1060
Melting Onset (Solidus), °C 1410
1050
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 50
80
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
17
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
18

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
48
Embodied Water, L/kg 46
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
170
Resilience: Unit (Modulus of Resilience), kJ/m3 3260 to 4080
94
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 60 to 67
13
Strength to Weight: Bending, points 40 to 43
14
Thermal Diffusivity, mm2/s 14
23
Thermal Shock Resistance, points 54 to 60
14

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.5
Arsenic (As), % 0
0.020 to 0.35
Carbon (C), % 0.55 to 0.85
0
Copper (Cu), % 0
92.5 to 95
Iron (Fe), % 97.5 to 99
0 to 0.1
Lead (Pb), % 0
0 to 0.1
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
Residuals, % 0
0 to 0.5