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EN 1.6781 Steel vs. C64210 Bronze

EN 1.6781 steel belongs to the iron alloys classification, while C64210 bronze belongs to the copper alloys. There are 28 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 1.6781 steel and the bottom bar is C64210 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17
35
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 830
570
Tensile Strength: Yield (Proof), MPa 680
290

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 450
210
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1420
990
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 44
48
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
13
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
14

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
29
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 25
49
Embodied Water, L/kg 60
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1220
360
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 24
21

Alloy Composition

Aluminum (Al), % 0
6.3 to 7.0
Arsenic (As), % 0
0 to 0.15
Carbon (C), % 0.15 to 0.19
0
Chromium (Cr), % 1.3 to 1.8
0
Copper (Cu), % 0
89 to 92.2
Iron (Fe), % 92.6 to 94.6
0 to 0.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.55 to 0.8
0 to 0.1
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 3.0 to 3.5
0 to 0.25
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
1.5 to 2.0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5