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EN 1.7729 Steel vs. C67500 Bronze

EN 1.7729 steel belongs to the iron alloys classification, while C67500 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7729 steel and the bottom bar is C67500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 17
14 to 33
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
40
Shear Strength, MPa 560
270 to 350
Tensile Strength: Ultimate (UTS), MPa 910
430 to 580
Tensile Strength: Yield (Proof), MPa 750
170 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 430
120
Melting Completion (Liquidus), °C 1470
890
Melting Onset (Solidus), °C 1430
870
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
27

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 59
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
61 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1500
130 to 650
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 32
15 to 20
Strength to Weight: Bending, points 27
16 to 19
Thermal Diffusivity, mm2/s 11
34
Thermal Shock Resistance, points 27
14 to 19

Alloy Composition

Aluminum (Al), % 0.015 to 0.080
0 to 0.25
Arsenic (As), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.2
57 to 60
Iron (Fe), % 94.8 to 97
0.8 to 2.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.35 to 0.75
0.050 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0 to 0.020
0.5 to 1.5
Titanium (Ti), % 0.070 to 0.15
0
Vanadium (V), % 0.6 to 0.8
0
Zinc (Zn), % 0
35.1 to 41.7
Residuals, % 0
0 to 0.5