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EN 1.4640 Stainless Steel vs. CC491K Bronze

EN 1.4640 stainless steel belongs to the iron alloys classification, while CC491K bronze belongs to the copper 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 EN 1.4640 stainless steel and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
73
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 51
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 620 to 650
260
Tensile Strength: Yield (Proof), MPa 240 to 260
120

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 930
160
Melting Completion (Liquidus), °C 1420
980
Melting Onset (Solidus), °C 1380
900
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 15
71
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
15

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 40
51
Embodied Water, L/kg 150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
27
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
67
Stiffness to Weight: Axial, points 14
6.7
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22 to 23
8.1
Strength to Weight: Bending, points 21
10
Thermal Diffusivity, mm2/s 4.0
22
Thermal Shock Resistance, points 14 to 15
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
81 to 87
Iron (Fe), % 67.4 to 73.6
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0 to 2.0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.1
Silicon (Si), % 0 to 0.5
0 to 0.010
Sulfur (S), % 0 to 0.015
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0