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EN 1.7709 Steel vs. C90400 Bronze

EN 1.7709 steel belongs to the iron alloys classification, while C90400 bronze belongs to the copper alloys. There are 25 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 1.7709 steel and the bottom bar is C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
77
Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 650 to 780
310

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 440
170
Melting Completion (Liquidus), °C 1470
990
Melting Onset (Solidus), °C 1420
850
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 33
75
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
34
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 2.3
3.5
Embodied Energy, MJ/kg 32
56
Embodied Water, L/kg 56
370

Common Calculations

Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 23 to 27
10
Strength to Weight: Bending, points 21 to 24
12
Thermal Diffusivity, mm2/s 8.9
23
Thermal Shock Resistance, points 22 to 26
11

Alloy Composition

Aluminum (Al), % 0 to 0.030
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Carbon (C), % 0.17 to 0.25
0
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 95.2 to 97.5
0 to 0.4
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0.4 to 0.8
0 to 0.010
Molybdenum (Mo), % 0.55 to 0.8
0
Nickel (Ni), % 0 to 0.6
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.030
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7