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EN 1.7725 Steel vs. CC499K Bronze

EN 1.7725 steel belongs to the iron alloys classification, while CC499K bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7725 steel and the bottom bar is CC499K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250 to 300
73
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 830 to 1000
260
Tensile Strength: Yield (Proof), MPa 610 to 860
120

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 440
170
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1420
920
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 39
73
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
32
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.8
3.1
Embodied Energy, MJ/kg 24
51
Embodied Water, L/kg 54
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
27
Resilience: Unit (Modulus of Resilience), kJ/m3 980 to 1940
65
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 29 to 35
8.1
Strength to Weight: Bending, points 25 to 28
10
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 24 to 29
9.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.020
Cadmium (Cd), % 0
0 to 0.020
Carbon (C), % 0.27 to 0.34
0
Chromium (Cr), % 1.3 to 1.7
0 to 0.020
Copper (Cu), % 0
84 to 88
Iron (Fe), % 95.7 to 97.5
0 to 0.3
Lead (Pb), % 0
0 to 3.0
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.040
Tin (Sn), % 0
4.0 to 6.0
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0
4.0 to 6.0