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S21904 Stainless Steel vs. C52400 Bronze

S21904 stainless steel belongs to the iron alloys classification, while C52400 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S21904 stainless steel and the bottom bar is C52400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 980
170
Melting Completion (Liquidus), °C 1400
1000
Melting Onset (Solidus), °C 1350
840
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 14
50
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
35
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 43
58
Embodied Water, L/kg 160
390

Common Calculations

Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25 to 36
14 to 28
Strength to Weight: Bending, points 23 to 29
15 to 23
Thermal Diffusivity, mm2/s 3.8
15
Thermal Shock Resistance, points 15 to 21
17 to 32

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
87.8 to 91
Iron (Fe), % 59.5 to 67.4
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0.030 to 0.35
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5