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CC491K Bronze vs. EN 1.4581 Stainless Steel

CC491K bronze belongs to the copper alloys classification, while EN 1.4581 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is EN 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
150
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 13
28
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 260
510
Tensile Strength: Yield (Proof), MPa 120
210

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 160
990
Melting Completion (Liquidus), °C 980
1440
Melting Onset (Solidus), °C 900
1400
Specific Heat Capacity, J/kg-K 370
470
Thermal Conductivity, W/m-K 71
15
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 15
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.2
Embodied Energy, MJ/kg 51
59
Embodied Water, L/kg 350
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
120
Resilience: Unit (Modulus of Resilience), kJ/m3 67
110
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.1
18
Strength to Weight: Bending, points 10
18
Thermal Diffusivity, mm2/s 22
3.9
Thermal Shock Resistance, points 9.3
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 81 to 87
0
Iron (Fe), % 0 to 0.3
61.4 to 71
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0 to 2.0
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.1
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.5
Sulfur (S), % 0 to 0.1
0 to 0.030
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0