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AISI 309Cb Stainless Steel vs. C61800 Bronze

AISI 309Cb stainless steel belongs to the iron alloys classification, while C61800 bronze belongs to the copper alloys. There are 31 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 AISI 309Cb stainless steel and the bottom bar is C61800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
26
Fatigue Strength, MPa 200
190
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 84
89
Shear Modulus, GPa 78
44
Shear Strength, MPa 390
310
Tensile Strength: Ultimate (UTS), MPa 580
740
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1090
220
Melting Completion (Liquidus), °C 1420
1050
Melting Onset (Solidus), °C 1380
1040
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
64
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.1
3.1
Embodied Energy, MJ/kg 59
52
Embodied Water, L/kg 170
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.0
18
Thermal Shock Resistance, points 13
26

Alloy Composition

Aluminum (Al), % 0
8.5 to 11
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
86.9 to 91
Iron (Fe), % 56 to 66
0.5 to 1.5
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 16
0
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.020
Residuals, % 0
0 to 0.5