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S21904 Stainless Steel vs. C63600 Bronze

S21904 stainless steel belongs to the iron alloys classification, while C63600 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 S21904 stainless steel and the bottom bar is C63600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17 to 51
30 to 66
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
42
Shear Strength, MPa 510 to 620
320 to 360
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
410 to 540
Tensile Strength: Yield (Proof), MPa 390 to 910
150 to 260

Thermal Properties

Latent Heat of Fusion, J/g 290
230
Maximum Temperature: Mechanical, °C 980
210
Melting Completion (Liquidus), °C 1400
1030
Melting Onset (Solidus), °C 1350
980
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 14
57
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
30
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 160
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
98 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
100 to 300
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25 to 36
13 to 18
Strength to Weight: Bending, points 23 to 29
14 to 17
Thermal Diffusivity, mm2/s 3.8
16
Thermal Shock Resistance, points 15 to 21
15 to 20

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Arsenic (As), % 0
0 to 0.15
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
93 to 96.3
Iron (Fe), % 59.5 to 67.4
0 to 0.15
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 5.5 to 7.5
0 to 0.15
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0.7 to 1.3
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5