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C67600 Bronze vs. ASTM A232 Spring Steel

C67600 bronze belongs to the copper alloys classification, while ASTM A232 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 C67600 bronze and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 13 to 33
14
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 270 to 350
1090
Tensile Strength: Ultimate (UTS), MPa 430 to 570
1790
Tensile Strength: Yield (Proof), MPa 170 to 380
1610

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
420
Melting Completion (Liquidus), °C 890
1460
Melting Onset (Solidus), °C 870
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
52
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 27
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 47
28
Embodied Water, L/kg 330
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 130
250
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15 to 20
64
Strength to Weight: Bending, points 16 to 19
42
Thermal Diffusivity, mm2/s 35
14
Thermal Shock Resistance, points 14 to 19
53

Alloy Composition

Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 57 to 60
0
Iron (Fe), % 0.4 to 1.3
96.8 to 97.7
Lead (Pb), % 0.5 to 1.0
0
Manganese (Mn), % 0.050 to 0.5
0.7 to 0.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 0.5 to 1.5
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 35.2 to 41.6
0
Residuals, % 0 to 0.5
0