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AISI 445 Stainless Steel vs. C90900 Bronze

AISI 445 stainless steel belongs to the iron alloys classification, while C90900 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 C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
90
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 25
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 480
280
Tensile Strength: Yield (Proof), MPa 230
140

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
820
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 21
65
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.6
3.9
Embodied Energy, MJ/kg 38
64
Embodied Water, L/kg 130
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
35
Resilience: Unit (Modulus of Resilience), kJ/m3 140
89
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 17
8.8
Strength to Weight: Bending, points 18
11
Thermal Diffusivity, mm2/s 5.6
21
Thermal Shock Resistance, points 16
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0.3 to 0.6
86 to 89
Iron (Fe), % 74.9 to 80.7
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.6
0 to 0.5
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.012
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.6