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AISI 309Cb Stainless Steel vs. C90300 Bronze

AISI 309Cb stainless steel belongs to the iron alloys classification, while C90300 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 309Cb stainless steel and the bottom bar is C90300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 580
330
Tensile Strength: Yield (Proof), MPa 230
150

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1090
170
Melting Completion (Liquidus), °C 1420
1000
Melting Onset (Solidus), °C 1380
850
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 15
75
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 59
56
Embodied Water, L/kg 170
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
59
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 20
11
Strength to Weight: Bending, points 20
12
Thermal Diffusivity, mm2/s 4.0
23
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 56 to 66
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 16
0 to 1.0
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 1.5
Silicon (Si), % 0 to 0.75
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
7.5 to 9.0
Zinc (Zn), % 0
3.0 to 5.0
Residuals, % 0
0 to 0.6