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EN 1.6781 Steel vs. CC481K Bronze

EN 1.6781 steel belongs to the iron alloys classification, while CC481K bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6781 steel and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
90
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17
4.5
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 830
350
Tensile Strength: Yield (Proof), MPa 680
180

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 450
170
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1420
880
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 44
64
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
35
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.9
3.7
Embodied Energy, MJ/kg 25
60
Embodied Water, L/kg 60
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
13
Resilience: Unit (Modulus of Resilience), kJ/m3 1220
150
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 29
11
Strength to Weight: Bending, points 25
13
Thermal Diffusivity, mm2/s 12
20
Thermal Shock Resistance, points 24
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.15 to 0.19
0
Chromium (Cr), % 1.3 to 1.8
0
Copper (Cu), % 0
87 to 89.5
Iron (Fe), % 92.6 to 94.6
0 to 0.1
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.55 to 0.8
0 to 0.050
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 3.0 to 3.5
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 1.0
Silicon (Si), % 0 to 0.5
0 to 0.010
Sulfur (S), % 0 to 0.015
0 to 0.050
Tin (Sn), % 0
10 to 11.5
Zinc (Zn), % 0
0 to 0.5