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C31400 Bronze vs. EN 1.7709 Steel

C31400 bronze belongs to the copper alloys classification, while EN 1.7709 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Tensile Strength: Ultimate (UTS), MPa 270 to 420
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
440
Melting Completion (Liquidus), °C 1040
1470
Melting Onset (Solidus), °C 1010
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 180
33
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 43
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 29
3.4
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.3
Embodied Energy, MJ/kg 42
32
Embodied Water, L/kg 310
56

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.7 to 13
23 to 27
Strength to Weight: Bending, points 11 to 14
21 to 24
Thermal Diffusivity, mm2/s 54
8.9
Thermal Shock Resistance, points 9.6 to 15
22 to 26

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0
0.17 to 0.25
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
95.2 to 97.5
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0.4 to 0.8
Molybdenum (Mo), % 0
0.55 to 0.8
Nickel (Ni), % 0 to 0.7
0 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.35
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0