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C66100 Bronze vs. ASTM A229 Spring Steel

C66100 bronze belongs to the copper alloys classification, while ASTM A229 spring steel belongs to the iron alloys. There are 27 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 C66100 bronze and the bottom bar is ASTM A229 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0 to 40
14
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
72
Shear Strength, MPa 280 to 460
1020 to 1140
Tensile Strength: Ultimate (UTS), MPa 410 to 790
1690 to 1890
Tensile Strength: Yield (Proof), MPa 120 to 430
1100 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1050
1450
Melting Onset (Solidus), °C 1000
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 34
50
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
1.8
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 300
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53 to 120
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 790
3260 to 4080
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 25
60 to 67
Strength to Weight: Bending, points 14 to 22
40 to 43
Thermal Diffusivity, mm2/s 9.7
14
Thermal Shock Resistance, points 15 to 29
54 to 60

Alloy Composition

Carbon (C), % 0
0.55 to 0.85
Copper (Cu), % 92 to 97
0
Iron (Fe), % 0 to 0.25
97.5 to 99
Lead (Pb), % 0.2 to 0.8
0
Manganese (Mn), % 0 to 1.5
0.3 to 1.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.8 to 3.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.5
0

Comparable Variants