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C87200 Bronze vs. S82121 Stainless Steel

C87200 bronze belongs to the copper alloys classification, while S82121 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 S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
250
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 30
28
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 380
730
Tensile Strength: Yield (Proof), MPa 170
510

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 200
1020
Melting Completion (Liquidus), °C 970
1430
Melting Onset (Solidus), °C 860
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
14
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
40
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
180
Resilience: Unit (Modulus of Resilience), kJ/m3 130
660
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
26
Strength to Weight: Bending, points 14
23
Thermal Diffusivity, mm2/s 8.0
4.0
Thermal Shock Resistance, points 14
20

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 89 to 99
0.2 to 1.2
Iron (Fe), % 0 to 2.5
66.7 to 75.4
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 1.5
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.5
0 to 0.040
Silicon (Si), % 1.0 to 5.0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
0