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S31655 Stainless Steel vs. CC491K Bronze

S31655 stainless steel belongs to the iron alloys classification, while CC491K 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 S31655 stainless steel and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
73
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 710
260
Tensile Strength: Yield (Proof), MPa 350
120

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 1010
160
Melting Completion (Liquidus), °C 1430
980
Melting Onset (Solidus), °C 1380
900
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 15
71
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
15

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
27
Resilience: Unit (Modulus of Resilience), kJ/m3 310
67
Stiffness to Weight: Axial, points 14
6.7
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25
8.1
Strength to Weight: Bending, points 23
10
Thermal Diffusivity, mm2/s 4.0
22
Thermal Shock Resistance, points 16
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
81 to 87
Iron (Fe), % 63.2 to 71.9
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0 to 2.0
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.1
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.015
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0