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C66100 Bronze vs. EN 1.4581 Stainless Steel

C66100 bronze belongs to the copper alloys classification, while EN 1.4581 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C66100 bronze and the bottom bar is EN 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 8.0 to 40
28
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 410 to 790
510
Tensile Strength: Yield (Proof), MPa 120 to 430
210

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1050
1440
Melting Onset (Solidus), °C 1000
1400
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 34
15
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 29
21
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 42
59
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 790
110
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 25
18
Strength to Weight: Bending, points 14 to 22
18
Thermal Diffusivity, mm2/s 9.7
3.9
Thermal Shock Resistance, points 15 to 29
12

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 92 to 97
0
Iron (Fe), % 0 to 0.25
61.4 to 71
Lead (Pb), % 0.2 to 0.8
0
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.8 to 3.5
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.5
0