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S21904 Stainless Steel vs. C62300 Bronze

S21904 stainless steel belongs to the iron alloys classification, while C62300 bronze belongs to the copper alloys. There are 29 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 S21904 stainless steel and the bottom bar is C62300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17 to 51
18 to 32
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Shear Strength, MPa 510 to 620
360 to 390
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
570 to 630
Tensile Strength: Yield (Proof), MPa 390 to 910
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
230
Maximum Temperature: Mechanical, °C 980
220
Melting Completion (Liquidus), °C 1400
1050
Melting Onset (Solidus), °C 1350
1040
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 14
54
Thermal Expansion, µm/m-K 17
18

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
28
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 43
52
Embodied Water, L/kg 160
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
95 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
240 to 430
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25 to 36
19 to 21
Strength to Weight: Bending, points 23 to 29
18 to 20
Thermal Diffusivity, mm2/s 3.8
15
Thermal Shock Resistance, points 15 to 21
20 to 22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
83.2 to 89.5
Iron (Fe), % 59.5 to 67.4
2.0 to 4.0
Manganese (Mn), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 5.5 to 7.5
0 to 1.0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.6
Residuals, % 0
0 to 0.5