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C52100 Bronze vs. S31254 Stainless Steel

C52100 bronze belongs to the copper alloys classification, while S31254 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C52100 bronze and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 45 to 100
84
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 380 to 800
720

Thermal Properties

Latent Heat of Fusion, J/g 200
300
Maximum Temperature: Mechanical, °C 180
1090
Melting Completion (Liquidus), °C 1030
1460
Melting Onset (Solidus), °C 880
1420
Specific Heat Capacity, J/kg-K 370
460
Thermal Conductivity, W/m-K 62
14
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 13
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
28
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 3.4
5.5
Embodied Energy, MJ/kg 55
74
Embodied Water, L/kg 370
190

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 12 to 25
25
Strength to Weight: Bending, points 13 to 22
22
Thermal Diffusivity, mm2/s 19
3.8
Thermal Shock Resistance, points 14 to 28
15

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 89.8 to 93
0.5 to 1.0
Iron (Fe), % 0 to 0.1
51.4 to 56.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0.030 to 0.35
0 to 0.030
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 7.0 to 9.0
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.5
0