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EN 1.7221 Steel vs. C51900 Bronze

EN 1.7221 steel belongs to the iron alloys classification, while C51900 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7221 steel and the bottom bar is C51900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 17
14 to 29
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 650 to 780
380 to 620
Tensile Strength: Yield (Proof), MPa 430 to 630
390 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 420
180
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1420
930
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 44
66
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
14
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
33
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.5
3.2
Embodied Energy, MJ/kg 20
51
Embodied Water, L/kg 51
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 98
55 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 1050
680 to 1450
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 23 to 27
12 to 19
Strength to Weight: Bending, points 21 to 24
13 to 18
Thermal Diffusivity, mm2/s 12
20
Thermal Shock Resistance, points 19 to 23
14 to 22

Alloy Composition

Carbon (C), % 0.22 to 0.29
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
91.7 to 95
Iron (Fe), % 96.8 to 98.3
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.025
0.030 to 0.35
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5

Comparable Variants