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S31727 Stainless Steel vs. C63800 Bronze

S31727 stainless steel belongs to the iron alloys classification, while C63800 bronze belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is C63800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
7.9 to 41
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 83
94 to 110
Shear Modulus, GPa 78
43
Shear Strength, MPa 430
320 to 500
Tensile Strength: Ultimate (UTS), MPa 630
460 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1010
200
Melting Completion (Liquidus), °C 1440
1030
Melting Onset (Solidus), °C 1390
1000
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 4.7
2.8
Embodied Energy, MJ/kg 64
45
Embodied Water, L/kg 180
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
15 to 33
Strength to Weight: Bending, points 20
15 to 26
Thermal Shock Resistance, points 14
17 to 36

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 2.8 to 4.0
92.4 to 95.8
Iron (Fe), % 53.7 to 61.3
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0 to 0.2
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
1.5 to 2.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 0.5