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C87200 Bronze vs. AISI 420 Stainless Steel

C87200 bronze belongs to the copper alloys classification, while AISI 420 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 AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
190
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 30
8.0 to 15
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 380
690 to 1720
Tensile Strength: Yield (Proof), MPa 170
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 200
620
Melting Completion (Liquidus), °C 970
1510
Melting Onset (Solidus), °C 860
1450
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
7.5
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 44
28
Embodied Water, L/kg 310
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 130
380 to 4410
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
25 to 62
Strength to Weight: Bending, points 14
22 to 41
Thermal Diffusivity, mm2/s 8.0
7.3
Thermal Shock Resistance, points 14
25 to 62

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0
0.15 to 0.4
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 89 to 99
0
Iron (Fe), % 0 to 2.5
82.3 to 87.9
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.75
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 0.030
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
0