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AISI 445 Stainless Steel vs. CC491K Bronze

AISI 445 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 (5, in this case) are not shown.

For each property being compared, the top bar is AISI 445 stainless steel and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
73
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 25
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 480
260
Tensile Strength: Yield (Proof), MPa 230
120

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 950
160
Melting Completion (Liquidus), °C 1440
980
Melting Onset (Solidus), °C 1390
900
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 21
71
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
15
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
15

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 38
51
Embodied Water, L/kg 130
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
27
Resilience: Unit (Modulus of Resilience), kJ/m3 140
67
Stiffness to Weight: Axial, points 14
6.7
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 17
8.1
Strength to Weight: Bending, points 18
10
Thermal Diffusivity, mm2/s 5.6
22
Thermal Shock Resistance, points 16
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0.3 to 0.6
81 to 87
Iron (Fe), % 74.9 to 80.7
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.6
0 to 2.0
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.1
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.012
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0