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S20910 Stainless Steel vs. C61800 Bronze

S20910 stainless steel belongs to the iron alloys classification, while C61800 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 S20910 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, % 14 to 39
26
Fatigue Strength, MPa 310 to 460
190
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
44
Shear Strength, MPa 500 to 570
310
Tensile Strength: Ultimate (UTS), MPa 780 to 940
740
Tensile Strength: Yield (Proof), MPa 430 to 810
310

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1080
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 13
64
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
28
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.8
3.1
Embodied Energy, MJ/kg 68
52
Embodied Water, L/kg 180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
150
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 33
25
Strength to Weight: Bending, points 24 to 27
22
Thermal Diffusivity, mm2/s 3.6
18
Thermal Shock Resistance, points 17 to 21
26

Alloy Composition

Aluminum (Al), % 0
8.5 to 11
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Copper (Cu), % 0
86.9 to 91
Iron (Fe), % 52.1 to 62.1
0.5 to 1.5
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
0 to 0.020
Residuals, % 0
0 to 0.5