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C61000 Bronze vs. ASTM A227 Spring Steel

C61000 bronze belongs to the copper alloys classification, while ASTM A227 spring steel belongs to the iron 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 C61000 bronze and the bottom bar is ASTM A227 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 29 to 50
12
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 42
72
Shear Strength, MPa 280 to 300
1030 to 1330
Tensile Strength: Ultimate (UTS), MPa 390 to 460
1720 to 2220
Tensile Strength: Yield (Proof), MPa 150 to 190
1430 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 220
250
Maximum Temperature: Mechanical, °C 210
400
Melting Completion (Liquidus), °C 1040
1450
Melting Onset (Solidus), °C 990
1410
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 69
52
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 16
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
1.8
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 49
19
Embodied Water, L/kg 370
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 160
200 to 260
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 15
61 to 79
Strength to Weight: Bending, points 14 to 16
41 to 48
Thermal Diffusivity, mm2/s 19
14
Thermal Shock Resistance, points 14 to 16
55 to 71

Alloy Composition

Aluminum (Al), % 6.0 to 8.5
0
Carbon (C), % 0
0.45 to 0.85
Copper (Cu), % 90.2 to 94
0
Iron (Fe), % 0 to 0.5
97.4 to 99.1
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0.3 to 1.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0

Comparable Variants