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C87200 Bronze vs. S32950 Stainless Steel

C87200 bronze belongs to the copper alloys classification, while S32950 stainless steel belongs to the iron 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 C87200 bronze and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
260
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 30
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
80
Tensile Strength: Ultimate (UTS), MPa 380
780
Tensile Strength: Yield (Proof), MPa 170
550

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 970
1430
Melting Onset (Solidus), °C 860
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
17
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
730
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
28
Strength to Weight: Bending, points 14
24
Thermal Diffusivity, mm2/s 8.0
4.3
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 89 to 99
0
Iron (Fe), % 0 to 2.5
60.3 to 69.4
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 0
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0 to 0.5
0 to 0.035
Silicon (Si), % 1.0 to 5.0
0 to 0.6
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
0